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222010101021020 = 225134347422506187
BaseRepresentation
bin110010011110101011000001…
…001101010011100101011100
31002010001221212122210110002212
4302132223001031103211130
5213044403141330133040
62104102011000335552
764522462160163404
oct6236530115234534
91063057778713085
10222010101021020
1164814a56264824
1220a970657745b8
1396b56027048a0
143cb74bc06d804
151a9eed3ab7d65
hexc9eac135395c

222010101021020 has 96 divisors (see below), whose sum is σ = 524691844604928. Its totient is φ = 78363067329792.

The previous prime is 222010101021013. The next prime is 222010101021029. The reversal of 222010101021020 is 20120101010222.

222010101021020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222010101020986 and 222010101021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222010101021029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210727634 + ... + 211778553.

It is an arithmetic number, because the mean of its divisors is an integer number (5465540047968).

Almost surely, 2222010101021020 is an apocalyptic number.

222010101021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222010101021020 is an abundant number, since it is smaller than the sum of its proper divisors (302681743583908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222010101021020 is a wasteful number, since it uses less digits than its factorization.

222010101021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422506299 (or 422506297 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222010101021020 its reverse (20120101010222), we get a palindrome (242130202031242).

The spelling of 222010101021020 in words is "two hundred twenty-two trillion, ten billion, one hundred one million, twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 43 47 52 65 86 94 130 172 188 215 235 260 430 470 559 611 860 940 1118 1222 2021 2236 2444 2795 3055 4042 5590 6110 8084 10105 11180 12220 20210 26273 40420 52546 105092 131365 262730 525460 422506187 845012374 1690024748 2112530935 4225061870 5492580431 8450123740 10985160862 18167766041 19857790789 21970321724 27462902155 36335532082 39715581578 54925804310 72671064164 79431163156 90838830205 99288953945 109851608620 181677660410 198577907890 236180958533 258151280257 363355320820 397155815780 472361917066 516302560514 853885003927 944723834132 1032605121028 1180904792665 1290756401285 1707770007854 2361809585330 2581512802570 3415540015708 4269425019635 4723619170660 5163025605140 8538850039270 11100505051051 17077700078540 22201010102102 44402020204204 55502525255255 111005050510510 222010101021020