212222022211122 has 96 divisors (see below), whose sum is σ = 538654278666240. Its totient is φ = 55119768469920.

The previous prime is 212222022211097. The next prime is 212222022211123. The reversal of 212222022211122 is 221112220222212.

It is a happy number.

It is a super-2 number, since 2×212222022211122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212222022211092 and 212222022211101.

It is not an unprimeable number, because it can be changed into a prime (212222022211123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61576263 + ... + 64931349.

It is an arithmetic number, because the mean of its divisors is an integer number (5610982069440).

Almost surely, 2^{212222022211122} is an apocalyptic number.

212222022211122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212222022211122 is an abundant number, since it is smaller than the sum of its proper divisors (326432256455118).

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

212222022211122 is a wasteful number, since it uses less digits than its factorization.

212222022211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374676 (or 3374669 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 212222022211122 its reverse (221112220222212), we get a palindrome (433334242433334).

It can be divided in two parts, 2122220 and 22211122, that added together give a palindrome (24333342).

The spelling of 212222022211122 in words is "two hundred twelve trillion, two hundred twenty-two billion, twenty-two million, two hundred eleven thousand, one hundred twenty-two".