101020939904 has 16 divisors (see below), whose sum is σ = 201252653970. Its totient is φ = 50510469888.

The previous prime is 101020939891. The next prime is 101020939913. The reversal of 101020939904 is 409939020101.

It can be written as a sum of positive squares in only one way, i.e., 64252110400 + 36768829504 = 253480^2 + 191752^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394612919 + ... + 394613174.

Almost surely, 2^101020939904 is an apocalyptic number.

It is an amenable number.

101020939904 is a deficient number, since it is larger than the sum of its proper divisors (100231714066).

101020939904 is an frugal number, since it uses more digits than its factorization.

101020939904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789226107 (or 789226095 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 101020939904 in words is "one hundred one billion, twenty million, nine hundred thirty-nine thousand, nine hundred four".