23100102011 has 16 divisors (see below), whose sum is σ = 27258163200. Its totient is φ = 19156854240.

The previous prime is 23100102007. The next prime is 23100102023. The reversal of 23100102011 is 11020100132.

It is not a de Polignac number, because 23100102011 - 2² = 23100102007 is a prime.

It is a super-2 number, since 2×23100102011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23100101983 and 23100102001.

It is not an unprimeable number, because it can be changed into a prime (23100122011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1161725 + ... + 1181441.

It is an arithmetic number, because the mean of its divisors is an integer number (1703635200).

Almost surely, 2^23100102011 is an apocalyptic number.

23100102011 is a deficient number, since it is larger than the sum of its proper divisors (4158061189).

23100102011 is a wasteful number, since it uses less digits than its factorization.

23100102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25154.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 23100102011 its reverse (11020100132), we get a palindrome (34120202143).

The spelling of 23100102011 in words is "twenty-three billion, one hundred million, one hundred two thousand, eleven".