10002001000122 has 32 divisors (see below), whose sum is σ = 22227513436800. Its totient is φ = 3333873651264.

The previous prime is 10002001000109. The next prime is 10002001000141. The reversal of 10002001000122 is 22100010020001.

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 15 ways as a sum of consecutive naturals, for example, 2079222 + ... + 4932257.

It is an arithmetic number, because the mean of its divisors is an integer number (694609794900).

Almost surely, 2^{10002001000122} is an apocalyptic number.

10002001000122 is an abundant number, since it is smaller than the sum of its proper divisors (12225512436678).

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

10002001000122 is a wasteful number, since it uses less digits than its factorization.

10002001000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7037907 (or 7037901 counting only the distinct ones).

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

Adding to 10002001000122 its reverse (22100010020001), we get a palindrome (32102011020123).

The spelling of 10002001000122 in words is "ten trillion, two billion, one million, one hundred twenty-two", and thus it is an aban number.