2331331112121 has 8 divisors (see below), whose sum is σ = 3391027072224. Its totient is φ = 1412927946720.

The previous prime is 2331331112111. The next prime is 2331331112147. The reversal of 2331331112121 is 1212111331332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2331331112121 - 2⁶ = 2331331112057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2331331112091 and 2331331112100.

It is not an unprimeable number, because it can be changed into a prime (2331331112111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35323198636 + ... + 35323198701.

It is an arithmetic number, because the mean of its divisors is an integer number (423878384028).

Almost surely, 2^{2331331112121} is an apocalyptic number.

It is an amenable number.

2331331112121 is a deficient number, since it is larger than the sum of its proper divisors (1059695960103).

2331331112121 is a wasteful number, since it uses less digits than its factorization.

2331331112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70646397351.

The product of its digits is 648, while the sum is 24.

Adding to 2331331112121 its reverse (1212111331332), we get a palindrome (3543442443453).

The spelling of 2331331112121 in words is "two trillion, three hundred thirty-one billion, three hundred thirty-one million, one hundred twelve thousand, one hundred twenty-one".