20221101202100 has 72 divisors (see below), whose sum is σ = 46461832924248. Its totient is φ = 7612505804800.

The previous prime is 20221101202021. The next prime is 20221101202111. The reversal of 20221101202100 is 120210112202.

It can be written as a sum of positive squares in 12 ways, for example, as 8775316083856 + 11445785118244 = 2962316^2 + 3383162^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144023534 + ... + 144163866.

It is an arithmetic number, because the mean of its divisors is an integer number (645303235059).

Almost surely, 2^{20221101202100} is an apocalyptic number.

20221101202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221101202100 is an abundant number, since it is smaller than the sum of its proper divisors (26240731722148).

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

20221101202100 is a wasteful number, since it uses less digits than its factorization.

20221101202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225125 (or 225118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20221101202100 its reverse (120210112202), we get a palindrome (20341311314302).

The spelling of 20221101202100 in words is "twenty trillion, two hundred twenty-one billion, one hundred one million, two hundred two thousand, one hundred".