22021112210202 has 40 divisors (see below), whose sum is σ = 56392689472416. Its totient is φ = 6291746345448.

The previous prime is 22021112210197. The next prime is 22021112210221. The reversal of 22021112210202 is 20201221112022.

It is a happy number.

22021112210202 is a `hidden beast` number, since 220 + 21 + 1 + 1 + 221 + 0 + 202 = 666.

It is a super-2 number, since 2×22021112210202² (a number of 27 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9709483968 + ... + 9709486235.

Almost surely, 2^{22021112210202} is an apocalyptic number.

22021112210202 is an abundant number, since it is smaller than the sum of its proper divisors (34371577262214).

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

22021112210202 is a wasteful number, since it uses less digits than its factorization.

22021112210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19418970224 (or 19418970215 counting only the distinct ones).

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

Adding to 22021112210202 its reverse (20201221112022), we get a palindrome (42222333322224).

The spelling of 22021112210202 in words is "twenty-two trillion, twenty-one billion, one hundred twelve million, two hundred ten thousand, two hundred two".