22120122122 has 32 divisors (see below), whose sum is σ = 38528472960. Its totient is φ = 9328999680.

The previous prime is 22120122121. The next prime is 22120122131. The reversal of 22120122122 is 22122102122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22120122122.

It is not an unprimeable number, because it can be changed into a prime (22120122121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220838 + ... + 304974.

It is an arithmetic number, because the mean of its divisors is an integer number (1204014780).

Almost surely, 2^22120122122 is an apocalyptic number.

22120122122 is a deficient number, since it is larger than the sum of its proper divisors (16408350838).

22120122122 is a wasteful number, since it uses less digits than its factorization.

22120122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84446.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22120122122 its reverse (22122102122), we get a palindrome (44242224244).

The spelling of 22120122122 in words is "twenty-two billion, one hundred twenty million, one hundred twenty-two thousand, one hundred twenty-two".