23102121131011 has 16 divisors (see below), whose sum is σ = 24917135459328. Its totient is φ = 21292529882400.

The previous prime is 23102121130999. The next prime is 23102121131039. The reversal of 23102121131011 is 11013112120132.

It is a cyclic number.

It is not a de Polignac number, because 23102121131011 - 2²³ = 23102112742403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23102121131011.

It is not an unprimeable number, because it can be changed into a prime (23102121131611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125049870 + ... + 125234476.

It is an arithmetic number, because the mean of its divisors is an integer number (1557320966208).

Almost surely, 2^{23102121131011} is an apocalyptic number.

23102121131011 is a deficient number, since it is larger than the sum of its proper divisors (1815014328317).

23102121131011 is a wasteful number, since it uses less digits than its factorization.

23102121131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199242.

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

Adding to 23102121131011 its reverse (11013112120132), we get a palindrome (34115233251143).

The spelling of 23102121131011 in words is "twenty-three trillion, one hundred two billion, one hundred twenty-one million, one hundred thirty-one thousand, eleven".