2122201222110 has 24 divisors (see below), whose sum is σ = 5517723177720. Its totient is φ = 565920325872.

The previous prime is 2122201222033. The next prime is 2122201222121. The reversal of 2122201222110 is 112221022212.

It is a happy number.

2122201222110 is a `hidden beast` number, since 212 + 220 + 1 + 2 + 221 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11790006700 + ... + 11790006879.

It is an arithmetic number, because the mean of its divisors is an integer number (229905132405).

Almost surely, 2^{2122201222110} is an apocalyptic number.

2122201222110 is an abundant number, since it is smaller than the sum of its proper divisors (3395521955610).

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

2122201222110 is a wasteful number, since it uses less digits than its factorization.

2122201222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23580013592 (or 23580013589 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2122201222110 its reverse (112221022212), we get a palindrome (2234422244322).

The spelling of 2122201222110 in words is "two trillion, one hundred twenty-two billion, two hundred one million, two hundred twenty-two thousand, one hundred ten".