121031233213331 has 12 divisors (see below), whose sum is σ = 142373360790360. Its totient is φ = 102575427181920.

The previous prime is 121031233213309. The next prime is 121031233213333. The reversal of 121031233213331 is 133312332130121.

It is not a de Polignac number, because 121031233213331 - 2¹⁴ = 121031233196947 is a prime.

It is a super-2 number, since 2×121031233213331² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121031233213294 and 121031233213303.

It is not an unprimeable number, because it can be changed into a prime (121031233213333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13876541525 + ... + 13876550246.

It is an arithmetic number, because the mean of its divisors is an integer number (11864446732530).

Almost surely, 2^{121031233213331} is an apocalyptic number.

121031233213331 is a deficient number, since it is larger than the sum of its proper divisors (21342127577029).

121031233213331 is an equidigital number, since it uses as much as digits as its factorization.

121031233213331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27753091874 (or 27753091867 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 121031233213331 its reverse (133312332130121), we get a palindrome (254343565343452).

The spelling of 121031233213331 in words is "one hundred twenty-one trillion, thirty-one billion, two hundred thirty-three million, two hundred thirteen thousand, three hundred thirty-one".