23200110121 has 4 divisors (see below), whose sum is σ = 23439286612. Its totient is φ = 22960933632.

The previous prime is 23200109983. The next prime is 23200110127. The reversal of 23200110121 is 12101100232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9101160000 + 14098950121 = 95400^2 + 118739^2 .

It is not a de Polignac number, because 23200110121 - 2⁹ = 23200109609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23200110127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119588100 + ... + 119588293.

It is an arithmetic number, because the mean of its divisors is an integer number (5859821653).

Almost surely, 2^23200110121 is an apocalyptic number.

It is an amenable number.

23200110121 is a deficient number, since it is larger than the sum of its proper divisors (239176491).

23200110121 is an equidigital number, since it uses as much as digits as its factorization.

23200110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239176490.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 23200110121 its reverse (12101100232), we get a palindrome (35301210353).

The spelling of 23200110121 in words is "twenty-three billion, two hundred million, one hundred ten thousand, one hundred twenty-one".