202421114281 has 2 divisors, whose sum is σ = 202421114282. Its totient is φ = 202421114280.

The previous prime is 202421114279. The next prime is 202421114323. The reversal of 202421114281 is 182411124202.

202421114281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196174583056 + 6246531225 = 442916^2 + 79035^2 .

It is a cyclic number.

It is not a de Polignac number, because 202421114281 - 2¹ = 202421114279 is a prime.

It is a super-2 number, since 2×202421114281² (a number of 23 digits) contains 22 as substring.

Together with 202421114279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (202421114201) 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 as a sum of consecutive naturals, namely, 101210557140 + 101210557141.

It is an arithmetic number, because the mean of its divisors is an integer number (101210557141).

Almost surely, 2^202421114281 is an apocalyptic number.

It is an amenable number.

202421114281 is a deficient number, since it is larger than the sum of its proper divisors (1).

202421114281 is an equidigital number, since it uses as much as digits as its factorization.

202421114281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2048, while the sum is 28.

Adding to 202421114281 its reverse (182411124202), we get a palindrome (384832238483).

The spelling of 202421114281 in words is "two hundred two billion, four hundred twenty-one million, one hundred fourteen thousand, two hundred eighty-one".