101089208912 has 20 divisors (see below), whose sum is σ = 198061023060. Its totient is φ = 49976686848.

The previous prime is 101089208911. The next prime is 101089208929. The reversal of 101089208912 is 219802980101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14909386816 + 86179822096 = 122104^2 + 293564^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101089208912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101089208911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35493383 + ... + 35496230.

It is an arithmetic number, because the mean of its divisors is an integer number (9903051153).

Almost surely, 2^101089208912 is an apocalyptic number.

It is an amenable number.

101089208912 is a deficient number, since it is larger than the sum of its proper divisors (96971814148).

101089208912 is an equidigital number, since it uses as much as digits as its factorization.

101089208912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70989710 (or 70989704 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 41.

The spelling of 101089208912 in words is "one hundred one billion, eighty-nine million, two hundred eight thousand, nine hundred twelve".