201002000122 has 64 divisors (see below), whose sum is σ = 418959682560. Its totient is φ = 69826579200.

The previous prime is 201002000063. The next prime is 201002000191. The reversal of 201002000122 is 221000200102.

It is a junction number, because it is equal to n+sod(n) for n = 201002000099 and 201002000108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1970704 + ... + 2070187.

It is an arithmetic number, because the mean of its divisors is an integer number (6546245040).

Almost surely, 2^201002000122 is an apocalyptic number.

201002000122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201002000122 is an abundant number, since it is smaller than the sum of its proper divisors (217957682438).

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

201002000122 is a wasteful number, since it uses less digits than its factorization.

201002000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040947.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 201002000122 its reverse (221000200102), we get a palindrome (422002200224).

The spelling of 201002000122 in words is "two hundred one billion, two million, one hundred twenty-two", and thus it is an aban number.