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10111212221110 = 25711131010111111
BaseRepresentation
bin1001001100100011001100…
…1101100111001010110110
31022210121210202122102221121
42103020303031213022312
52311130230312033420
633301005440534154
72062340156543140
oct223106315471266
938717722572847
1010111212221110
113249160777860
12117375462135a
13584638838410
1426d557303c90
1512803868c2aa
hex932333672b6

10111212221110 has 64 divisors (see below), whose sum is σ = 24436608021504. Its totient is φ = 2909119996800.

The previous prime is 10111212221093. The next prime is 10111212221161. The reversal of 10111212221110 is 1112221211101.

10111212221110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×101112122211102 (a number of 27 digits) contains 22 as substring.

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, 505045546 + ... + 505065565.

It is an arithmetic number, because the mean of its divisors is an integer number (381822000336).

Almost surely, 210111212221110 is an apocalyptic number.

10111212221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10111212221110 is an abundant number, since it is smaller than the sum of its proper divisors (14325395800394).

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

10111212221110 is a wasteful number, since it uses less digits than its factorization.

10111212221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010111149.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 10111212221110 its reverse (1112221211101), we get a palindrome (11223433432211).

It can be divided in two parts, 1011 and 1212221110, that added together give a palindrome (1212222121).

The spelling of 10111212221110 in words is "ten trillion, one hundred eleven billion, two hundred twelve million, two hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 91 110 130 143 154 182 286 385 455 715 770 910 1001 1430 2002 5005 10010 1010111111 2020222222 5050555555 7070777777 10101111110 11111222221 13131444443 14141555554 22222444442 26262888886 35353888885 55556111105 65657222215 70707777770 77778555547 91920111101 111112222210 131314444430 144445888873 155557111094 183840222202 288891777746 388892777735 459600555505 722229444365 777785555470 919201111010 1011121222111 1444458888730 2022242444222 5055606110555 10111212221110