23111023121011 has 32 divisors (see below), whose sum is σ = 27960724915200. Its totient is φ = 18680281603200.

The previous prime is 23111023120961. The next prime is 23111023121023. The reversal of 23111023121011 is 11012132011132.

It is not a de Polignac number, because 23111023121011 - 2¹⁵ = 23111023088243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23111023121011.

It is not an unprimeable number, because it can be changed into a prime (23111023121041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139223161 + ... + 139389061.

It is an arithmetic number, because the mean of its divisors is an integer number (873772653600).

Almost surely, 2^{23111023121011} is an apocalyptic number.

23111023121011 is a deficient number, since it is larger than the sum of its proper divisors (4849701794189).

23111023121011 is a wasteful number, since it uses less digits than its factorization.

23111023121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181939.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 23111023121011 its reverse (11012132011132), we get a palindrome (34123155132143).

The spelling of 23111023121011 in words is "twenty-three trillion, one hundred eleven billion, twenty-three million, one hundred twenty-one thousand, eleven".