111020100212112 has 320 divisors, whose sum is σ = 362608562233344. Its totient is φ = 28482278676480.

The previous prime is 111020100212041. The next prime is 111020100212171. The reversal of 111020100212112 is 211212001020111.

It is a happy number.

It is a super-2 number, since 2×111020100212112² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111020100212091 and 111020100212100.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 741904243 + ... + 742053869.

Almost surely, 2^{111020100212112} is an apocalyptic number.

111020100212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111020100212112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181304281116672).

111020100212112 is an abundant number, since it is smaller than the sum of its proper divisors (251588462021232).

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

111020100212112 is a wasteful number, since it uses less digits than its factorization.

111020100212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154286 (or 154280 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111020100212112 its reverse (211212001020111), we get a palindrome (322232101232223).

The spelling of 111020100212112 in words is "one hundred eleven trillion, twenty billion, one hundred million, two hundred twelve thousand, one hundred twelve".