121416331 has 2 divisors, whose sum is σ = 121416332. Its totient is φ = 121416330.

The previous prime is 121416311. The next prime is 121416343. The reversal of 121416331 is 133614121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121416331 - 2¹¹ = 121414283 is a prime.

It is a super-2 number, since 2×121416331² = 29483850867003122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121416311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60708165 + 60708166.

It is an arithmetic number, because the mean of its divisors is an integer number (60708166).

Almost surely, 2^121416331 is an apocalyptic number.

121416331 is a deficient number, since it is larger than the sum of its proper divisors (1).

121416331 is an equidigital number, since it uses as much as digits as its factorization.

121416331 is an odious number, because the sum of its binary digits is odd.

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

The square root of 121416331 is about 11018.9078859931. The cubic root of 121416331 is about 495.1753703007.

The spelling of 121416331 in words is "one hundred twenty-one million, four hundred sixteen thousand, three hundred thirty-one".