23101122111 has 8 divisors (see below), whose sum is σ = 30804646704. Its totient is φ = 15399172800.

The previous prime is 23101122091. The next prime is 23101122131. The reversal of 23101122111 is 11122110132.

It is an interprime number because it is at equal distance from previous prime (23101122091) and next prime (23101122131).

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

It is not a de Polignac number, because 23101122111 - 2⁶ = 23101122047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23101122131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359166 + ... + 418571.

It is an arithmetic number, because the mean of its divisors is an integer number (3850580838).

Almost surely, 2^23101122111 is an apocalyptic number.

23101122111 is a deficient number, since it is larger than the sum of its proper divisors (7703524593).

23101122111 is an equidigital number, since it uses as much as digits as its factorization.

23101122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787641.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 23101122111 its reverse (11122110132), we get a palindrome (34223232243).

The spelling of 23101122111 in words is "twenty-three billion, one hundred one million, one hundred twenty-two thousand, one hundred eleven".