222100021112022 has 24 divisors (see below), whose sum is σ = 481218038360280. Its totient is φ = 74033136378240.

The previous prime is 222100021111993. The next prime is 222100021112023. The reversal of 222100021112022 is 220211120001222.

It is a happy number.

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 = 222100021111986 and 222100021112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222100021112023) 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, 10212072 + ... + 23419787.

It is an arithmetic number, because the mean of its divisors is an integer number (20050751598345).

Almost surely, 2^{222100021112022} is an apocalyptic number.

222100021112022 is an abundant number, since it is smaller than the sum of its proper divisors (259118017248258).

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

222100021112022 is a wasteful number, since it uses less digits than its factorization.

222100021112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33998748 (or 33998745 counting only the distinct ones).

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

Adding to 222100021112022 its reverse (220211120001222), we get a palindrome (442311141113244).

The spelling of 222100021112022 in words is "two hundred twenty-two trillion, one hundred billion, twenty-one million, one hundred twelve thousand, twenty-two".