20221110312100 has 18 divisors (see below), whose sum is σ = 43879809377474. Its totient is φ = 8088444124800.

The previous prime is 20221110312097. The next prime is 20221110312101. The reversal of 20221110312100 is 121301112202.

It can be written as a sum of positive squares in 3 ways, for example, as 97930816 + 20221012381284 = 9896^2 + 4496778^2 .

It is not an unprimeable number, because it can be changed into a prime (20221110312101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101105551461 + ... + 101105551660.

Almost surely, 2^{20221110312100} is an apocalyptic number.

20221110312100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221110312100 is an abundant number, since it is smaller than the sum of its proper divisors (23658699065374).

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

20221110312100 is a wasteful number, since it uses less digits than its factorization.

20221110312100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202211103135 (or 202211103128 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20221110312100 its reverse (121301112202), we get a palindrome (20342411424302).

The spelling of 20221110312100 in words is "twenty trillion, two hundred twenty-one billion, one hundred ten million, three hundred twelve thousand, one hundred".