202421114309 has 4 divisors (see below), whose sum is σ = 207358214700. Its totient is φ = 197484013920.

The previous prime is 202421114281. The next prime is 202421114323. The reversal of 202421114309 is 903411124202.

202421114309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 903411124202 = 2 ⋅451705562101.

It can be written as a sum of positive squares in 2 ways, for example, as 113082893284 + 89338221025 = 336278^2 + 298895^2 .

It is a cyclic number.

It is not a de Polignac number, because 202421114309 - 2⁸ = 202421114053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202421114009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2468550134 + ... + 2468550215.

It is an arithmetic number, because the mean of its divisors is an integer number (51839553675).

Almost surely, 2^202421114309 is an apocalyptic number.

It is an amenable number.

202421114309 is a deficient number, since it is larger than the sum of its proper divisors (4937100391).

202421114309 is an equidigital number, since it uses as much as digits as its factorization.

202421114309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4937100390.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 202421114309 in words is "two hundred two billion, four hundred twenty-one million, one hundred fourteen thousand, three hundred nine".