22212110122 has 16 divisors (see below), whose sum is σ = 33761637000. Its totient is φ = 10958911488.

The previous prime is 22212110093. The next prime is 22212110131. The reversal of 22212110122 is 22101121222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17426376081 + 4785734041 = 132009^2 + 69179^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22212110096 and 22212110105.

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, 104497 + ... + 235252.

Almost surely, 2^22212110122 is an apocalyptic number.

22212110122 is a deficient number, since it is larger than the sum of its proper divisors (11549526878).

22212110122 is a wasteful number, since it uses less digits than its factorization.

22212110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340185.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22212110122 its reverse (22101121222), we get a palindrome (44313231344).

The spelling of 22212110122 in words is "twenty-two billion, two hundred twelve million, one hundred ten thousand, one hundred twenty-two".