111211122022 has 64 divisors (see below), whose sum is σ = 225829191168. Its totient is φ = 39995920800.

The previous prime is 111211122017. The next prime is 111211122073. The reversal of 111211122022 is 220221112111.

It is a super-2 number, since 2×111211122022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111211121987 and 111211122005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12697 + ... + 471787.

It is an arithmetic number, because the mean of its divisors is an integer number (3528581112).

Almost surely, 2^111211122022 is an apocalyptic number.

111211122022 is an abundant number, since it is smaller than the sum of its proper divisors (114618069146).

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

111211122022 is a wasteful number, since it uses less digits than its factorization.

111211122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459146 (or 459124 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111211122022 its reverse (220221112111), we get a palindrome (331432234133).

The spelling of 111211122022 in words is "one hundred eleven billion, two hundred eleven million, one hundred twenty-two thousand, twenty-two".