11310012031121 has 4 divisors (see below), whose sum is σ = 11801751684672. Its totient is φ = 10818272377572.

The previous prime is 11310012031049. The next prime is 11310012031133. The reversal of 11310012031121 is 12113021001311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11310012031121 - 2³⁴ = 11292832161937 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11310012031121.

It is not an unprimeable number, because it can be changed into a prime (11310012031621) 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, 245869826741 + ... + 245869826786.

It is an arithmetic number, because the mean of its divisors is an integer number (2950437921168).

Almost surely, 2^{11310012031121} is an apocalyptic number.

It is an amenable number.

11310012031121 is a deficient number, since it is larger than the sum of its proper divisors (491739653551).

11310012031121 is an equidigital number, since it uses as much as digits as its factorization.

11310012031121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491739653550.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 11310012031121 its reverse (12113021001311), we get a palindrome (23423033032432).

The spelling of 11310012031121 in words is "eleven trillion, three hundred ten billion, twelve million, thirty-one thousand, one hundred twenty-one".