22111211220102 has 24 divisors (see below), whose sum is σ = 49202424968736. Its totient is φ = 7171203638736.

The previous prime is 22111211220071. The next prime is 22111211220151. The reversal of 22111211220102 is 20102211211122.

22111211220102 is a `hidden beast` number, since 22 + 111 + 211 + 220 + 102 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16600007758 + ... + 16600009089.

It is an arithmetic number, because the mean of its divisors is an integer number (2050101040364).

Almost surely, 2^{22111211220102} is an apocalyptic number.

22111211220102 is an abundant number, since it is smaller than the sum of its proper divisors (27091213748634).

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

22111211220102 is a wasteful number, since it uses less digits than its factorization.

22111211220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33200016892 (or 33200016889 counting only the distinct ones).

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

Adding to 22111211220102 its reverse (20102211211122), we get a palindrome (42213422431224).

The spelling of 22111211220102 in words is "twenty-two trillion, one hundred eleven billion, two hundred eleven million, two hundred twenty thousand, one hundred two".