10231133123221 has 4 divisors (see below), whose sum is σ = 10469066451712. Its totient is φ = 9993199794732.

The previous prime is 10231133123173. The next prime is 10231133123257. The reversal of 10231133123221 is 12232133113201.

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 10231133123221 - 2³⁷ = 10093694169749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231133123261) 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, 118966664181 + ... + 118966664266.

It is an arithmetic number, because the mean of its divisors is an integer number (2617266612928).

Almost surely, 2^{10231133123221} is an apocalyptic number.

It is an amenable number.

10231133123221 is a deficient number, since it is larger than the sum of its proper divisors (237933328491).

10231133123221 is an equidigital number, since it uses as much as digits as its factorization.

10231133123221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237933328490.

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

Adding to 10231133123221 its reverse (12232133113201), we get a palindrome (22463266236422).

The spelling of 10231133123221 in words is "ten trillion, two hundred thirty-one billion, one hundred thirty-three million, one hundred twenty-three thousand, two hundred twenty-one".