121333122231 has 32 divisors (see below), whose sum is σ = 166370941440. Its totient is φ = 78611723904.

The previous prime is 121333122193. The next prime is 121333122269. The reversal of 121333122231 is 132221333121.

It is an interprime number because it is at equal distance from previous prime (121333122193) and next prime (121333122269).

It is not a de Polignac number, because 121333122231 - 2⁷ = 121333122103 is a prime.

It is a super-2 number, since 2×121333122231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121333122331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34109305 + ... + 34112861.

It is an arithmetic number, because the mean of its divisors is an integer number (5199091920).

Almost surely, 2^121333122231 is an apocalyptic number.

121333122231 is a deficient number, since it is larger than the sum of its proper divisors (45037819209).

121333122231 is a wasteful number, since it uses less digits than its factorization.

121333122231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855.

The product of its digits is 1296, while the sum is 24.

Adding to 121333122231 its reverse (132221333121), we get a palindrome (253554455352).

The spelling of 121333122231 in words is "one hundred twenty-one billion, three hundred thirty-three million, one hundred twenty-two thousand, two hundred thirty-one".