121333010231 has 16 divisors (see below), whose sum is σ = 123559948800. Its totient is φ = 119124665088.

The previous prime is 121333010209. The next prime is 121333010243. The reversal of 121333010231 is 132010333121.

It is a cyclic number.

It is not a de Polignac number, because 121333010231 - 2⁶ = 121333010167 is a prime.

It is a super-2 number, since 2×121333010231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121333010291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16656116 + ... + 16663398.

It is an arithmetic number, because the mean of its divisors is an integer number (7722496800).

Almost surely, 2^121333010231 is an apocalyptic number.

121333010231 is a deficient number, since it is larger than the sum of its proper divisors (2226938569).

121333010231 is an equidigital number, since it uses as much as digits as its factorization.

121333010231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8518.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121333010231 its reverse (132010333121), we get a palindrome (253343343352).

The spelling of 121333010231 in words is "one hundred twenty-one billion, three hundred thirty-three million, ten thousand, two hundred thirty-one".