22010221120 has 28 divisors (see below), whose sum is σ = 52411839804. Its totient is φ = 8804088320.

The previous prime is 22010221063. The next prime is 22010221133. The reversal of 22010221120 is 2112201022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16523559936 + 5486661184 = 128544^2 + 74072^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22010221120.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34390651 + ... + 34391290.

Almost surely, 2^22010221120 is an apocalyptic number.

22010221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010221120 is an abundant number, since it is smaller than the sum of its proper divisors (30401618684).

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

22010221120 is an equidigital number, since it uses as much as digits as its factorization.

22010221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68781958 (or 68781948 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22010221120 its reverse (2112201022), we get a palindrome (24122422142).

The spelling of 22010221120 in words is "twenty-two billion, ten million, two hundred twenty-one thousand, one hundred twenty".