23101120011 has 4 divisors (see below), whose sum is σ = 30801493352. Its totient is φ = 15400746672.

The previous prime is 23101119997. The next prime is 23101120033. The reversal of 23101120011 is 11002110132.

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

It is not a de Polignac number, because 23101120011 - 2¹⁹ = 23100595723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23102120011) 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, 3850186666 + ... + 3850186671.

It is an arithmetic number, because the mean of its divisors is an integer number (7700373338).

Almost surely, 2^23101120011 is an apocalyptic number.

23101120011 is a deficient number, since it is larger than the sum of its proper divisors (7700373341).

23101120011 is an equidigital number, since it uses as much as digits as its factorization.

23101120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7700373340.

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

Adding to 23101120011 its reverse (11002110132), we get a palindrome (34103230143).

The spelling of 23101120011 in words is "twenty-three billion, one hundred one million, one hundred twenty thousand, eleven".