2002000122 has 12 divisors (see below), whose sum is σ = 4337666970. Its totient is φ = 667333368.

The previous prime is 2002000081. The next prime is 2002000141. The reversal of 2002000122 is 2210002002.

It can be written as a sum of positive squares in only one way, i.e., 1166154201 + 835845921 = 34149^2 + 28911^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55611097 + ... + 55611132.

Almost surely, 2^2002000122 is an apocalyptic number.

2002000122 is an abundant number, since it is smaller than the sum of its proper divisors (2335666848).

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

2002000122 is a wasteful number, since it uses less digits than its factorization.

2002000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111222237 (or 111222234 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2002000122 is about 44743.7160057141. The cubic root of 2002000122 is about 1260.3409092660.

Adding to 2002000122 its reverse (2210002002), we get a palindrome (4212002124).

The spelling of 2002000122 in words is "two billion, two million, one hundred twenty-two", and thus it is an aban number.