100420511369 has 2 divisors, whose sum is σ = 100420511370. Its totient is φ = 100420511368.

The previous prime is 100420511333. The next prime is 100420511377. The reversal of 100420511369 is 963115024001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91013839225 + 9406672144 = 301685^2 + 96988^2 .

It is a cyclic number.

It is not a de Polignac number, because 100420511369 - 2¹² = 100420507273 is a prime.

It is a super-2 number, since 2×100420511369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100420511069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50210255684 + 50210255685.

It is an arithmetic number, because the mean of its divisors is an integer number (50210255685).

Almost surely, 2^100420511369 is an apocalyptic number.

It is an amenable number.

100420511369 is a deficient number, since it is larger than the sum of its proper divisors (1).

100420511369 is an equidigital number, since it uses as much as digits as its factorization.

100420511369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 100420511369 in words is "one hundred billion, four hundred twenty million, five hundred eleven thousand, three hundred sixty-nine".