2122201221110 has 32 divisors (see below), whose sum is σ = 3933695459232. Its totient is φ = 823857914880.

The previous prime is 2122201221089. The next prime is 2122201221187. The reversal of 2122201221110 is 111221022212.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15650171 + ... + 15785190.

It is an arithmetic number, because the mean of its divisors is an integer number (122927983101).

Almost surely, 2^{2122201221110} is an apocalyptic number.

2122201221110 is a deficient number, since it is larger than the sum of its proper divisors (1811494238122).

2122201221110 is a wasteful number, since it uses less digits than its factorization.

2122201221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31435568.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2122201221110 its reverse (111221022212), we get a palindrome (2233422243322).

The spelling of 2122201221110 in words is "two trillion, one hundred twenty-two billion, two hundred one million, two hundred twenty-one thousand, one hundred ten".