2002011000122 has 32 divisors (see below), whose sum is σ = 3506634104832. Its totient is φ = 839367502704.

The previous prime is 2002011000089. The next prime is 2002011000127. The reversal of 2002011000122 is 2210001102002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2002011000127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759023 + ... + 2140125.

It is an arithmetic number, because the mean of its divisors is an integer number (109582315776).

Almost surely, 2^{2002011000122} is an apocalyptic number.

2002011000122 is a deficient number, since it is larger than the sum of its proper divisors (1504623104710).

2002011000122 is a wasteful number, since it uses less digits than its factorization.

2002011000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383362.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2002011000122 its reverse (2210001102002), we get a palindrome (4212012102124).

The spelling of 2002011000122 in words is "two trillion, two billion, eleven million, one hundred twenty-two", and thus it is an aban number.