100221079139 has 2 divisors, whose sum is σ = 100221079140. Its totient is φ = 100221079138.

The previous prime is 100221079109. The next prime is 100221079151. The reversal of 100221079139 is 931970122001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100221079139 - 2¹² = 100221075043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100221079099 and 100221079108.

It is not a weakly prime, because it can be changed into another prime (100221079109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110539569 + 50110539570.

It is an arithmetic number, because the mean of its divisors is an integer number (50110539570).

Almost surely, 2^100221079139 is an apocalyptic number.

100221079139 is a deficient number, since it is larger than the sum of its proper divisors (1).

100221079139 is an equidigital number, since it uses as much as digits as its factorization.

100221079139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 35.

The spelling of 100221079139 in words is "one hundred billion, two hundred twenty-one million, seventy-nine thousand, one hundred thirty-nine".