11331321023129 has 4 divisors (see below), whose sum is σ = 11331355618176. Its totient is φ = 11331286428084.

The previous prime is 11331321023063. The next prime is 11331321023147. The reversal of 11331321023129 is 92132012313311.

11331321023129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11331321023129 - 2²⁴ = 11331304245913 is a prime.

It is a super-2 number, since 2×11331321023129² (a number of 27 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 = 11331321023095 and 11331321023104.

It is not an unprimeable number, because it can be changed into a prime (11331321023629) 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, 16801469 + ... + 17462874.

It is an arithmetic number, because the mean of its divisors is an integer number (2832838904544).

Almost surely, 2^{11331321023129} is an apocalyptic number.

It is an amenable number.

11331321023129 is a deficient number, since it is larger than the sum of its proper divisors (34595047).

11331321023129 is an equidigital number, since it uses as much as digits as its factorization.

11331321023129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34595046.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 11331321023129 in words is "eleven trillion, three hundred thirty-one billion, three hundred twenty-one million, twenty-three thousand, one hundred twenty-nine".