10002100000122 has 12 divisors (see below), whose sum is σ = 21671216666970. Its totient is φ = 3334033333368.

The previous prime is 10002100000097. The next prime is 10002100000259. The reversal of 10002100000122 is 22100000120001.

10002100000122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9750187355841 + 251912644281 = 3122529^2 + 501909^2 .

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 5 ways as a sum of consecutive naturals, for example, 277836111097 + ... + 277836111132.

Almost surely, 2^{10002100000122} is an apocalyptic number.

10002100000122 is an abundant number, since it is smaller than the sum of its proper divisors (11669116666848).

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

10002100000122 is a wasteful number, since it uses less digits than its factorization.

10002100000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555672222237 (or 555672222234 counting only the distinct ones).

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

Adding to 10002100000122 its reverse (22100000120001), we get a palindrome (32102100120123).

The spelling of 10002100000122 in words is "ten trillion, two billion, one hundred million, one hundred twenty-two", and thus it is an aban number.