2222201221122 has 16 divisors (see below), whose sum is σ = 4444418132640. Its totient is φ = 740731125312.

The previous prime is 2222201221049. The next prime is 2222201221199. The reversal of 2222201221122 is 2211221022222.

It is a super-2 number, since 2×2222201221122² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2043273 + ... + 2935875.

It is an arithmetic number, because the mean of its divisors is an integer number (277776133290).

Almost surely, 2^{2222201221122} is an apocalyptic number.

2222201221122 is an abundant number, since it is smaller than the sum of its proper divisors (2222216911518).

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

2222201221122 is a wasteful number, since it uses less digits than its factorization.

2222201221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307537.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2222201221122 its reverse (2211221022222), we get a palindrome (4433422243344).

The spelling of 2222201221122 in words is "two trillion, two hundred twenty-two billion, two hundred one million, two hundred twenty-one thousand, one hundred twenty-two".