100001001021139 has 2 divisors, whose sum is σ = 100001001021140. Its totient is φ = 100001001021138.

The previous prime is 100001001021091. The next prime is 100001001021157. The reversal of 100001001021139 is 931120100100001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100001001021139 is a prime.

It is not a weakly prime, because it can be changed into another prime (100001001021199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000500510569 + 50000500510570.

It is an arithmetic number, because the mean of its divisors is an integer number (50000500510570).

Almost surely, 2^{100001001021139} is an apocalyptic number.

100001001021139 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001001021139 is an equidigital number, since it uses as much as digits as its factorization.

100001001021139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 19.

The spelling of 100001001021139 in words is "one hundred trillion, one billion, one million, twenty-one thousand, one hundred thirty-nine".