101399986424 has 64 divisors (see below), whose sum is σ = 221482598400. Its totient is φ = 43065993600.

The previous prime is 101399986367. The next prime is 101399986459. The reversal of 101399986424 is 424689993101.

It is a self number, because there is not a number n which added to its sum of digits gives 101399986424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561752 + ... + 719975.

It is an arithmetic number, because the mean of its divisors is an integer number (3460665600).

Almost surely, 2^101399986424 is an apocalyptic number.

It is an amenable number.

101399986424 is an abundant number, since it is smaller than the sum of its proper divisors (120082611976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101399986424 is a wasteful number, since it uses less digits than its factorization.

101399986424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281804 (or 1281800 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 56.

The spelling of 101399986424 in words is "one hundred one billion, three hundred ninety-nine million, nine hundred eighty-six thousand, four hundred twenty-four".