202121010983 has 2 divisors, whose sum is σ = 202121010984. Its totient is φ = 202121010982.

The previous prime is 202121010953. The next prime is 202121010997. The reversal of 202121010983 is 389010121202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202121010983 - 2²⁸ = 201852575527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202121010953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101060505491 + 101060505492.

It is an arithmetic number, because the mean of its divisors is an integer number (101060505492).

Almost surely, 2^202121010983 is an apocalyptic number.

202121010983 is a deficient number, since it is larger than the sum of its proper divisors (1).

202121010983 is an equidigital number, since it uses as much as digits as its factorization.

202121010983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 202121010983 in words is "two hundred two billion, one hundred twenty-one million, ten thousand, nine hundred eighty-three".