100101055912 has 64 divisors (see below), whose sum is σ = 220818648960. Its totient is φ = 41940192000.

The previous prime is 100101055849. The next prime is 100101055927. The reversal of 100101055912 is 219550101001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 739533 + ... + 864355.

It is an arithmetic number, because the mean of its divisors is an integer number (3450291390).

Almost surely, 2^100101055912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100101055912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110409324480).

100101055912 is an abundant number, since it is smaller than the sum of its proper divisors (120717593048).

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

100101055912 is a wasteful number, since it uses less digits than its factorization.

100101055912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125554 (or 125550 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 25.

Adding to 100101055912 its reverse (219550101001), we get a palindrome (319651156913).

The spelling of 100101055912 in words is "one hundred billion, one hundred one million, fifty-five thousand, nine hundred twelve".