121337927275801 has 2 divisors, whose sum is σ = 121337927275802. Its totient is φ = 121337927275800.

The previous prime is 121337927275777. The next prime is 121337927275849. The reversal of 121337927275801 is 108572729733121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105124009000000 + 16213918275801 = 10253000^2 + 4026651^2 .

It is a cyclic number.

It is not a de Polignac number, because 121337927275801 - 2¹⁵ = 121337927243033 is a prime.

It is not a weakly prime, because it can be changed into another prime (121337927275891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60668963637900 + 60668963637901.

It is an arithmetic number, because the mean of its divisors is an integer number (60668963637901).

Almost surely, 2^{121337927275801} is an apocalyptic number.

It is an amenable number.

121337927275801 is a deficient number, since it is larger than the sum of its proper divisors (1).

121337927275801 is an equidigital number, since it uses as much as digits as its factorization.

121337927275801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8890560, while the sum is 58.

The spelling of 121337927275801 in words is "one hundred twenty-one trillion, three hundred thirty-seven billion, nine hundred twenty-seven million, two hundred seventy-five thousand, eight hundred one".