20222211012100 has 36 divisors (see below), whose sum is σ = 43960981137444. Its totient is φ = 8074362148480.

The previous prime is 20222211012061. The next prime is 20222211012137. The reversal of 20222211012100 is 121011222202.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 6483979805956 + 13738231206144 = 2546366^2 + 3706512^2 .

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, 181472227 + ... + 181583626.

It is an arithmetic number, because the mean of its divisors is an integer number (1221138364929).

Almost surely, 2^{20222211012100} is an apocalyptic number.

20222211012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222211012100 is an abundant number, since it is smaller than the sum of its proper divisors (23738770125344).

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

20222211012100 is a wasteful number, since it uses less digits than its factorization.

20222211012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363056424 (or 363056417 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20222211012100 its reverse (121011222202), we get a palindrome (20343222234302).

The spelling of 20222211012100 in words is "twenty trillion, two hundred twenty-two billion, two hundred eleven million, twelve thousand, one hundred".