100021000279 has 2 divisors, whose sum is σ = 100021000280. Its totient is φ = 100021000278.

The previous prime is 100021000273. The next prime is 100021000333. The reversal of 100021000279 is 972000120001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100021000279 - 2¹⁵ = 100020967511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100021000273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010500139 + 50010500140.

It is an arithmetic number, because the mean of its divisors is an integer number (50010500140).

Almost surely, 2^100021000279 is an apocalyptic number.

100021000279 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021000279 is an equidigital number, since it uses as much as digits as its factorization.

100021000279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

The spelling of 100021000279 in words is "one hundred billion, twenty-one million, two hundred seventy-nine", and thus it is an aban number.