121365033719 has 2 divisors, whose sum is σ = 121365033720. Its totient is φ = 121365033718.

The previous prime is 121365033703. The next prime is 121365033733. The reversal of 121365033719 is 917330563121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121365033719 - 2⁴ = 121365033703 is a prime.

It is a super-2 number, since 2×121365033719² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121365033919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60682516859 + 60682516860.

It is an arithmetic number, because the mean of its divisors is an integer number (60682516860).

Almost surely, 2^121365033719 is an apocalyptic number.

121365033719 is a deficient number, since it is larger than the sum of its proper divisors (1).

121365033719 is an equidigital number, since it uses as much as digits as its factorization.

121365033719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 41.

The spelling of 121365033719 in words is "one hundred twenty-one billion, three hundred sixty-five million, thirty-three thousand, seven hundred nineteen".