111101210012112 has 20 divisors (see below), whose sum is σ = 287011459198080. Its totient is φ = 37033736670688.

The previous prime is 111101210012069. The next prime is 111101210012123. The reversal of 111101210012112 is 211210012101111.

It is a super-2 number, since 2×111101210012112² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111101210012091 and 111101210012100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157304270912 + ... + 1157304271007.

It is an arithmetic number, because the mean of its divisors is an integer number (14350572959904).

Almost surely, 2^{111101210012112} is an apocalyptic number.

111101210012112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111101210012112 is an abundant number, since it is smaller than the sum of its proper divisors (175910249185968).

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

111101210012112 is a wasteful number, since it uses less digits than its factorization.

111101210012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314608541930 (or 2314608541924 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111101210012112 its reverse (211210012101111), we get a palindrome (322311222113223).

The spelling of 111101210012112 in words is "one hundred eleven trillion, one hundred one billion, two hundred ten million, twelve thousand, one hundred twelve".