100001000122002 has 48 divisors (see below), whose sum is σ = 248369625496512. Its totient is φ = 28485394930080.

The previous prime is 100001000121989. The next prime is 100001000122013. The reversal of 100001000122002 is 200221000100001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1198838553 + ... + 1198921964.

It is an arithmetic number, because the mean of its divisors is an integer number (5174367197844).

Almost surely, 2^{100001000122002} is an apocalyptic number.

100001000122002 is an abundant number, since it is smaller than the sum of its proper divisors (148368625374510).

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

100001000122002 is a wasteful number, since it uses less digits than its factorization.

100001000122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397760863 (or 2397760860 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100001000122002 its reverse (200221000100001), we get a palindrome (300222000222003).

The spelling of 100001000122002 in words is "one hundred trillion, one billion, one hundred twenty-two thousand, two".