2331210032121 has 16 divisors (see below), whose sum is σ = 3121804905408. Its totient is φ = 1547382120000.

The previous prime is 2331210032117. The next prime is 2331210032149. The reversal of 2331210032121 is 1212300121332.

It is not a de Polignac number, because 2331210032121 - 2² = 2331210032117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2331210031121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1499235 + ... + 2628711.

It is an arithmetic number, because the mean of its divisors is an integer number (195112806588).

Almost surely, 2^{2331210032121} is an apocalyptic number.

It is an amenable number.

2331210032121 is a deficient number, since it is larger than the sum of its proper divisors (790594873287).

2331210032121 is a wasteful number, since it uses less digits than its factorization.

2331210032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132472.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2331210032121 its reverse (1212300121332), we get a palindrome (3543510153453).

The spelling of 2331210032121 in words is "two trillion, three hundred thirty-one billion, two hundred ten million, thirty-two thousand, one hundred twenty-one".