20102021022222 has 24 divisors (see below), whose sum is σ = 44003393100576. Its totient is φ = 6631594563456.

The previous prime is 20102021022199. The next prime is 20102021022247. The reversal of 20102021022222 is 22222012020102.

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 = 20102021022195 and 20102021022204.

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, 5756590758 + ... + 5756594249.

It is an arithmetic number, because the mean of its divisors is an integer number (1833474712524).

Almost surely, 2^{20102021022222} is an apocalyptic number.

20102021022222 is an abundant number, since it is smaller than the sum of its proper divisors (23901372078354).

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

20102021022222 is a wasteful number, since it uses less digits than its factorization.

20102021022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11513185112 (or 11513185109 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20102021022222 its reverse (22222012020102), we get a palindrome (42324033042324).

The spelling of 20102021022222 in words is "twenty trillion, one hundred two billion, twenty-one million, twenty-two thousand, two hundred twenty-two".