111020002212222 has 20 divisors (see below), whose sum is σ = 248767041994416. Its totient is φ = 37006667404020.

The previous prime is 111020002212169. The next prime is 111020002212281. The reversal of 111020002212222 is 222212200020111.

It is a happy number.

111020002212222 is a `hidden beast` number, since 11 + 10 + 200 + 0 + 221 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111020002212195 and 111020002212204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 342654327654 + ... + 342654327977.

Almost surely, 2^{111020002212222} is an apocalyptic number.

111020002212222 is an abundant number, since it is smaller than the sum of its proper divisors (137747039782194).

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

111020002212222 is an equidigital number, since it uses as much as digits as its factorization.

111020002212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685308655645 (or 685308655636 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 111020002212222 its reverse (222212200020111), we get a palindrome (333232202232333).

The spelling of 111020002212222 in words is "one hundred eleven trillion, twenty billion, two million, two hundred twelve thousand, two hundred twenty-two".