101020002019939 has 2 divisors, whose sum is σ = 101020002019940. Its totient is φ = 101020002019938.

The previous prime is 101020002019907. The next prime is 101020002020009. The reversal of 101020002019939 is 939910200020101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101020002019939 - 2⁵ = 101020002019907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101020002019898 and 101020002019907.

It is not a weakly prime, because it can be changed into another prime (101020002016939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510001009969 + 50510001009970.

It is an arithmetic number, because the mean of its divisors is an integer number (50510001009970).

Almost surely, 2^{101020002019939} is an apocalyptic number.

101020002019939 is a deficient number, since it is larger than the sum of its proper divisors (1).

101020002019939 is an equidigital number, since it uses as much as digits as its factorization.

101020002019939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 37.

The spelling of 101020002019939 in words is "one hundred one trillion, twenty billion, two million, nineteen thousand, nine hundred thirty-nine".