22121041444122 has 32 divisors (see below), whose sum is σ = 46423560430080. Its totient is φ = 7013682956720.

The previous prime is 22121041444111. The next prime is 22121041444127. The reversal of 22121041444122 is 22144414012122.

It is a self number, because there is not a number n which added to its sum of digits gives 22121041444122.

It is not an unprimeable number, because it can be changed into a prime (22121041444127) 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, 447733404 + ... + 447782807.

It is an arithmetic number, because the mean of its divisors is an integer number (1450736263440).

Almost surely, 2^{22121041444122} is an apocalyptic number.

22121041444122 is an abundant number, since it is smaller than the sum of its proper divisors (24302518985958).

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

22121041444122 is a wasteful number, since it uses less digits than its factorization.

22121041444122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895516418.

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 22121041444122 its reverse (22144414012122), we get a palindrome (44265455456244).

The spelling of 22121041444122 in words is "twenty-two trillion, one hundred twenty-one billion, forty-one million, four hundred forty-four thousand, one hundred twenty-two".