100502535421 has 2 divisors, whose sum is σ = 100502535422. Its totient is φ = 100502535420.

The previous prime is 100502535389. The next prime is 100502535439. The reversal of 100502535421 is 124535205001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79445623321 + 21056912100 = 281861^2 + 145110^2 .

It is a cyclic number.

It is not a de Polignac number, because 100502535421 - 2⁵ = 100502535389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100502535421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100502535521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50251267710 + 50251267711.

It is an arithmetic number, because the mean of its divisors is an integer number (50251267711).

Almost surely, 2^100502535421 is an apocalyptic number.

It is an amenable number.

100502535421 is a deficient number, since it is larger than the sum of its proper divisors (1).

100502535421 is an equidigital number, since it uses as much as digits as its factorization.

100502535421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 100502535421 in words is "one hundred billion, five hundred two million, five hundred thirty-five thousand, four hundred twenty-one".