23111100001 has 4 divisors (see below), whose sum is σ = 25212109104. Its totient is φ = 21010090900.

The previous prime is 23111099989. The next prime is 23111100037. The reversal of 23111100001 is 10000111132.

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 not a de Polignac number, because 23111100001 - 2¹⁹ = 23110575713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23111100071) 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, 1050504535 + ... + 1050504556.

It is an arithmetic number, because the mean of its divisors is an integer number (6303027276).

Almost surely, 2^23111100001 is an apocalyptic number.

It is an amenable number.

23111100001 is a deficient number, since it is larger than the sum of its proper divisors (2101009103).

23111100001 is a wasteful number, since it uses less digits than its factorization.

23111100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101009102.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 23111100001 its reverse (10000111132), we get a palindrome (33111211133).

The spelling of 23111100001 in words is "twenty-three billion, one hundred eleven million, one hundred thousand, one".