2023100020221 has 16 divisors (see below), whose sum is σ = 3082840924800. Its totient is φ = 1156048962048.

The previous prime is 2023100020217. The next prime is 2023100020223. The reversal of 2023100020221 is 1220200013202.

It is a happy number.

It is not a de Polignac number, because 2023100020221 - 2² = 2023100020217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2023100020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023100020223) 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, 3943365 + ... + 4426773.

It is an arithmetic number, because the mean of its divisors is an integer number (192677557800).

Almost surely, 2^{2023100020221} is an apocalyptic number.

2023100020221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2023100020221 is a deficient number, since it is larger than the sum of its proper divisors (1059740904579).

2023100020221 is a wasteful number, since it uses less digits than its factorization.

2023100020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682708.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2023100020221 its reverse (1220200013202), we get a palindrome (3243300033423).

The spelling of 2023100020221 in words is "two trillion, twenty-three billion, one hundred million, twenty thousand, two hundred twenty-one".