2321121233131 has 4 divisors (see below), whose sum is σ = 2321169241552. Its totient is φ = 2321073224712.

The previous prime is 2321121233129. The next prime is 2321121233147. The reversal of 2321121233131 is 1313321211232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2321121233131 - 2¹ = 2321121233129 is a prime.

It is a super-2 number, since 2×2321121233131² (a number of 26 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 = 2321121233096 and 2321121233105.

It is not an unprimeable number, because it can be changed into a prime (2321121233111) 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, 23931615 + ... + 24028408.

It is an arithmetic number, because the mean of its divisors is an integer number (580292310388).

Almost surely, 2^{2321121233131} is an apocalyptic number.

2321121233131 is a deficient number, since it is larger than the sum of its proper divisors (48008421).

2321121233131 is an equidigital number, since it uses as much as digits as its factorization.

2321121233131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48008420.

The product of its digits is 1296, while the sum is 25.

Adding to 2321121233131 its reverse (1313321211232), we get a palindrome (3634442444363).

The spelling of 2321121233131 in words is "two trillion, three hundred twenty-one billion, one hundred twenty-one million, two hundred thirty-three thousand, one hundred thirty-one".