20221100202101 has 16 divisors (see below), whose sum is σ = 20595123747840. Its totient is φ = 19849273622640.

The previous prime is 20221100202097. The next prime is 20221100202139. The reversal of 20221100202101 is 10120200112202.

It is a cyclic number.

It is not a de Polignac number, because 20221100202101 - 2² = 20221100202097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221100202151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36434756 + ... + 36985586.

It is an arithmetic number, because the mean of its divisors is an integer number (1287195234240).

Almost surely, 2^{20221100202101} is an apocalyptic number.

It is an amenable number.

20221100202101 is a deficient number, since it is larger than the sum of its proper divisors (374023545739).

20221100202101 is a wasteful number, since it uses less digits than its factorization.

20221100202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552824.

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

Adding to 20221100202101 its reverse (10120200112202), we get a palindrome (30341300314303).

The spelling of 20221100202101 in words is "twenty trillion, two hundred twenty-one billion, one hundred million, two hundred two thousand, one hundred one".