100221012079 has 2 divisors, whose sum is σ = 100221012080. Its totient is φ = 100221012078.

The previous prime is 100221011993. The next prime is 100221012103. The reversal of 100221012079 is 970210122001.

It is a strong prime.

It is an emirp because it is prime and its reverse (970210122001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100221012079 - 2⁷ = 100221011951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100221012179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110506039 + 50110506040.

It is an arithmetic number, because the mean of its divisors is an integer number (50110506040).

Almost surely, 2^100221012079 is an apocalyptic number.

100221012079 is a deficient number, since it is larger than the sum of its proper divisors (1).

100221012079 is an equidigital number, since it uses as much as digits as its factorization.

100221012079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 100221012079 in words is "one hundred billion, two hundred twenty-one million, twelve thousand, seventy-nine".