100001122012 has 48 divisors (see below), whose sum is σ = 201028826880. Its totient is φ = 43047763200.

The previous prime is 100001122003. The next prime is 100001122021. The reversal of 100001122012 is 210221100001.

It is an interprime number because it is at equal distance from previous prime (100001122003) and next prime (100001122021).

It is a self number, because there is not a number n which added to its sum of digits gives 100001122012.

It is a congruent 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, 2589993 + ... + 2628319.

It is an arithmetic number, because the mean of its divisors is an integer number (4188100560).

Almost surely, 2^100001122012 is an apocalyptic number.

It is an amenable number.

100001122012 is an abundant number, since it is smaller than the sum of its proper divisors (101027704868).

100001122012 is a wasteful number, since it uses less digits than its factorization.

100001122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41482 (or 41480 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100001122012 its reverse (210221100001), we get a palindrome (310222222013).

The spelling of 100001122012 in words is "one hundred billion, one million, one hundred twenty-two thousand, twelve".