101989077402 has 16 divisors (see below), whose sum is σ = 211011884640. Its totient is φ = 32824070832.

The previous prime is 101989077397. The next prime is 101989077419. The reversal of 101989077402 is 204770989101.

It is a super-2 number, since 2×101989077402² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293071888 + ... + 293072235.

It is an arithmetic number, because the mean of its divisors is an integer number (13188242790).

Almost surely, 2^101989077402 is an apocalyptic number.

101989077402 is an abundant number, since it is smaller than the sum of its proper divisors (109022807238).

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

101989077402 is a wasteful number, since it uses less digits than its factorization.

101989077402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586144157.

The product of its (nonzero) digits is 254016, while the sum is 48.

The spelling of 101989077402 in words is "one hundred one billion, nine hundred eighty-nine million, seventy-seven thousand, four hundred two".