121131331233 has 32 divisors (see below), whose sum is σ = 180953136000. Its totient is φ = 71437939200.

The previous prime is 121131331219. The next prime is 121131331241. The reversal of 121131331233 is 332133131121.

It is not a de Polignac number, because 121131331233 - 2⁵ = 121131331201 is a prime.

It is a super-2 number, since 2×121131331233² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121131331213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411243 + ... + 641391.

It is an arithmetic number, because the mean of its divisors is an integer number (5654785500).

Almost surely, 2^121131331233 is an apocalyptic number.

It is an amenable number.

121131331233 is a deficient number, since it is larger than the sum of its proper divisors (59821804767).

121131331233 is a wasteful number, since it uses less digits than its factorization.

121131331233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230593.

The product of its digits is 972, while the sum is 24.

Adding to 121131331233 its reverse (332133131121), we get a palindrome (453264462354).

The spelling of 121131331233 in words is "one hundred twenty-one billion, one hundred thirty-one million, three hundred thirty-one thousand, two hundred thirty-three".