202421114009 has 2 divisors, whose sum is σ = 202421114010. Its totient is φ = 202421114008.

The previous prime is 202421113997. The next prime is 202421114033. The reversal of 202421114009 is 900411124202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198049920784 + 4371193225 = 445028^2 + 66115^2 .

It is a cyclic number.

It is not a de Polignac number, because 202421114009 - 2²⁴ = 202404336793 is a prime.

It is not a weakly prime, because it can be changed into another prime (202421114089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101210557004 + 101210557005.

It is an arithmetic number, because the mean of its divisors is an integer number (101210557005).

Almost surely, 2^202421114009 is an apocalyptic number.

It is an amenable number.

202421114009 is a deficient number, since it is larger than the sum of its proper divisors (1).

202421114009 is an equidigital number, since it uses as much as digits as its factorization.

202421114009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 202421114009 in words is "two hundred two billion, four hundred twenty-one million, one hundred fourteen thousand, nine".