23001102021 has 16 divisors (see below), whose sum is σ = 32324261760. Its totient is φ = 14525958720.

The previous prime is 23001101987. The next prime is 23001102041. The reversal of 23001102021 is 12020110032.

It is not a de Polignac number, because 23001102021 - 2⁹ = 23001101509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23001101988 and 23001102006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001102041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2489545 + ... + 2498766.

It is an arithmetic number, because the mean of its divisors is an integer number (2020266360).

Almost surely, 2^23001102021 is an apocalyptic number.

It is an amenable number.

23001102021 is a deficient number, since it is larger than the sum of its proper divisors (9323159739).

23001102021 is a wasteful number, since it uses less digits than its factorization.

23001102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988396.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 23001102021 its reverse (12020110032), we get a palindrome (35021212053).

The spelling of 23001102021 in words is "twenty-three billion, one million, one hundred two thousand, twenty-one".