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2121202212110 = 251931508170879
BaseRepresentation
bin11110110111100001100…
…000010001110100001110
321111210012020012011102222
4132313201200101310032
5234223210231241420
64302244501015342
7306152240211032
oct36674140216416
97453166164388
102121202212110
11748662392733
122a312a3b4552
1312504a838a47
14749497401c2
153a29d7a9225
hex1ede1811d0e

2121202212110 has 64 divisors (see below), whose sum is σ = 4149644083200. Its totient is φ = 777730118400.

The previous prime is 2121202212061. The next prime is 2121202212139. The reversal of 2121202212110 is 112122021212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29891651 + ... + 29962529.

It is an arithmetic number, because the mean of its divisors is an integer number (64838188800).

Almost surely, 22121202212110 is an apocalyptic number.

2121202212110 is a deficient number, since it is larger than the sum of its proper divisors (2028441871090).

2121202212110 is a wasteful number, since it uses less digits than its factorization.

2121202212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76017.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2121202212110 its reverse (112122021212), we get a palindrome (2233324233322).

The spelling of 2121202212110 in words is "two trillion, one hundred twenty-one billion, two hundred two million, two hundred twelve thousand, one hundred ten".

Divisors: 1 2 5 10 19 31 38 62 95 155 190 310 589 1178 2945 5081 5890 10162 25405 50810 70879 96539 141758 157511 193078 315022 354395 482695 708790 787555 965390 1346701 1575110 2197249 2693402 2992709 4394498 5985418 6733505 10986245 13467010 14963545 21972490 29927090 41747731 83495462 208738655 360136199 417477310 720272398 1800680995 3601361990 6842587781 11164222169 13685175562 22328444338 34212938905 55821110845 68425877810 111642221690 212120221211 424240442422 1060601106055 2121202212110