100506220379 has 2 divisors, whose sum is σ = 100506220380. Its totient is φ = 100506220378.

The previous prime is 100506220343. The next prime is 100506220403. The reversal of 100506220379 is 973022605001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100506220379 - 2²⁰ = 100505171803 is a prime.

It is a super-2 number, since 2×100506220379² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100506220579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50253110189 + 50253110190.

It is an arithmetic number, because the mean of its divisors is an integer number (50253110190).

Almost surely, 2^100506220379 is an apocalyptic number.

100506220379 is a deficient number, since it is larger than the sum of its proper divisors (1).

100506220379 is an equidigital number, since it uses as much as digits as its factorization.

100506220379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 100506220379 in words is "one hundred billion, five hundred six million, two hundred twenty thousand, three hundred seventy-nine".