23101031121 has 8 divisors (see below), whose sum is σ = 35201571264. Its totient is φ = 13200589200.

The previous prime is 23101031087. The next prime is 23101031131. The reversal of 23101031121 is 12113010132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23101031121 - 2¹⁹ = 23100506833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23101031121.

It is not an unprimeable number, because it can be changed into a prime (23101031131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550024530 + ... + 550024571.

It is an arithmetic number, because the mean of its divisors is an integer number (4400196408).

Almost surely, 2^23101031121 is an apocalyptic number.

23101031121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23101031121 is a deficient number, since it is larger than the sum of its proper divisors (12100540143).

23101031121 is a wasteful number, since it uses less digits than its factorization.

23101031121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100049111.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 23101031121 its reverse (12113010132), we get a palindrome (35214041253).

The spelling of 23101031121 in words is "twenty-three billion, one hundred one million, thirty-one thousand, one hundred twenty-one".