101000020039 has 2 divisors, whose sum is σ = 101000020040. Its totient is φ = 101000020038.

The previous prime is 101000020021. The next prime is 101000020063. The reversal of 101000020039 is 930020000101.

It is a weak prime.

It is an emirp because it is prime and its reverse (930020000101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101000020039 - 2¹⁷ = 100999888967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101000020139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500010019 + 50500010020.

It is an arithmetic number, because the mean of its divisors is an integer number (50500010020).

Almost surely, 2^101000020039 is an apocalyptic number.

101000020039 is a deficient number, since it is larger than the sum of its proper divisors (1).

101000020039 is an equidigital number, since it uses as much as digits as its factorization.

101000020039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

The spelling of 101000020039 in words is "one hundred one billion, twenty thousand, thirty-nine".