111211012202022 has 24 divisors (see below), whose sum is σ = 240957660286200. Its totient is φ = 37070265526560.

The previous prime is 111211012201997. The next prime is 111211012202023. The reversal of 111211012202022 is 220202210112111.

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 = 111211012201986 and 111211012202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111211012202023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4002729 + ... + 15441627.

It is an arithmetic number, because the mean of its divisors is an integer number (10039902511925).

Almost surely, 2^{111211012202022} is an apocalyptic number.

111211012202022 is an abundant number, since it is smaller than the sum of its proper divisors (129746648084178).

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

111211012202022 is a wasteful number, since it uses less digits than its factorization.

111211012202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11979028 (or 11979025 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111211012202022 its reverse (220202210112111), we get a palindrome (331413222314133).

The spelling of 111211012202022 in words is "one hundred eleven trillion, two hundred eleven billion, twelve million, two hundred two thousand, twenty-two".