23112111101 has 4 divisors (see below), whose sum is σ = 23857663104. Its totient is φ = 22366559100.

The previous prime is 23112111073. The next prime is 23112111137. The reversal of 23112111101 is 10111121132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23112111101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112111181) 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, 372775955 + ... + 372776016.

It is an arithmetic number, because the mean of its divisors is an integer number (5964415776).

Almost surely, 2^23112111101 is an apocalyptic number.

It is an amenable number.

23112111101 is a deficient number, since it is larger than the sum of its proper divisors (745552003).

23112111101 is an equidigital number, since it uses as much as digits as its factorization.

23112111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745552002.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 23112111101 its reverse (10111121132), we get a palindrome (33223232233).

The spelling of 23112111101 in words is "twenty-three billion, one hundred twelve million, one hundred eleven thousand, one hundred one".