212022201211122 has 64 divisors (see below), whose sum is σ = 449326671575040. Its totient is φ = 66509773920000.

The previous prime is 212022201211043. The next prime is 212022201211129. The reversal of 212022201211122 is 221112102220212.

It is not an unprimeable number, because it can be changed into a prime (212022201211129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1865958003 + ... + 1866071625.

It is an arithmetic number, because the mean of its divisors is an integer number (7020729243360).

Almost surely, 2^{212022201211122} is an apocalyptic number.

212022201211122 is an abundant number, since it is smaller than the sum of its proper divisors (237304470363918).

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

212022201211122 is a wasteful number, since it uses less digits than its factorization.

212022201211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222199.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212022201211122 its reverse (221112102220212), we get a palindrome (433134303431334).

The spelling of 212022201211122 in words is "two hundred twelve trillion, twenty-two billion, two hundred one million, two hundred eleven thousand, one hundred twenty-two".