121164331 has 2 divisors, whose sum is σ = 121164332. Its totient is φ = 121164330.

The previous prime is 121164319. The next prime is 121164353. The reversal of 121164331 is 133461121.

It is an a-pointer prime, because the next prime (121164353) can be obtained adding 121164331 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121164331 - 2⁷ = 121164203 is a prime.

It is a super-2 number, since 2×121164331² = 29361590213355122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121164301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60582165 + 60582166.

It is an arithmetic number, because the mean of its divisors is an integer number (60582166).

Almost surely, 2^121164331 is an apocalyptic number.

121164331 is a deficient number, since it is larger than the sum of its proper divisors (1).

121164331 is an equidigital number, since it uses as much as digits as its factorization.

121164331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

The square root of 121164331 is about 11007.4670565031. The cubic root of 121164331 is about 494.8325536413.

The spelling of 121164331 in words is "one hundred twenty-one million, one hundred sixty-four thousand, three hundred thirty-one".