212022201221122 has 16 divisors (see below), whose sum is σ = 319487069370744. Its totient is φ = 105526880928000.

The previous prime is 212022201221027. The next prime is 212022201221179. The reversal of 212022201221122 is 221122102220212.

It can be written as a sum of positive squares in 4 ways, for example, as 183546434380761 + 28475766840361 = 13547931^2 + 5336269^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212022201221093 and 212022201221102.

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, 91225329 + ... + 93520612.

Almost surely, 2^{212022201221122} is an apocalyptic number.

212022201221122 is a deficient number, since it is larger than the sum of its proper divisors (107464868149622).

212022201221122 is a wasteful number, since it uses less digits than its factorization.

212022201221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184748565.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212022201221122 its reverse (221122102220212), we get a palindrome (433144303441334).

The spelling of 212022201221122 in words is "two hundred twelve trillion, twenty-two billion, two hundred one million, two hundred twenty-one thousand, one hundred twenty-two".