23131100221011 has 10 divisors (see below), whose sum is σ = 34553865762372. Its totient is φ = 15420733480620.

The previous prime is 23131100221003. The next prime is 23131100221079. The reversal of 23131100221011 is 11012200113132.

23131100221011 is a `hidden beast` number, since 231 + 311 + 0 + 0 + 22 + 101 + 1 = 666.

It is not a de Polignac number, because 23131100221011 - 2³ = 23131100221003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23131100221081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 142784569185 + ... + 142784569346.

Almost surely, 2^{23131100221011} is an apocalyptic number.

23131100221011 is a deficient number, since it is larger than the sum of its proper divisors (11422765541361).

23131100221011 is an equidigital number, since it uses as much as digits as its factorization.

23131100221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285569138543 (or 285569138534 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 23131100221011 its reverse (11012200113132), we get a palindrome (34143300334143).

The spelling of 23131100221011 in words is "twenty-three trillion, one hundred thirty-one billion, one hundred million, two hundred twenty-one thousand, eleven".