111020012212112 has 10 divisors (see below), whose sum is σ = 215101273660998. Its totient is φ = 55510006106048.

The previous prime is 111020012212099. The next prime is 111020012212127. The reversal of 111020012212112 is 211212210020111.

111020012212112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 103759811297536 + 7260200914576 = 10186256^2 + 2694476^2 .

It is a super-2 number, since 2×111020012212112² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3469375381613 + ... + 3469375381644.

Almost surely, 2^{111020012212112} is an apocalyptic number.

It is an amenable number.

111020012212112 is a deficient number, since it is larger than the sum of its proper divisors (104081261448886).

111020012212112 is an equidigital number, since it uses as much as digits as its factorization.

111020012212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938750763265 (or 6938750763259 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111020012212112 its reverse (211212210020111), we get a palindrome (322232222232223).

The spelling of 111020012212112 in words is "one hundred eleven trillion, twenty billion, twelve million, two hundred twelve thousand, one hundred twelve".