2102122200122 has 64 divisors (see below), whose sum is σ = 3948139895040. Its totient is φ = 818479334400.

The previous prime is 2102122200047. The next prime is 2102122200149. The reversal of 2102122200122 is 2210022212012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 2102122200122.

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, 30479297 + ... + 30548187.

It is an arithmetic number, because the mean of its divisors is an integer number (61689685860).

Almost surely, 2^{2102122200122} is an apocalyptic number.

2102122200122 is a deficient number, since it is larger than the sum of its proper divisors (1846017694918).

2102122200122 is a wasteful number, since it uses less digits than its factorization.

2102122200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73367.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2102122200122 its reverse (2210022212012), we get a palindrome (4312144412134).

The spelling of 2102122200122 in words is "two trillion, one hundred two billion, one hundred twenty-two million, two hundred thousand, one hundred twenty-two".