22002200121122 has 16 divisors (see below), whose sum is σ = 35941364073720. Its totient is φ = 10040762024832.

The previous prime is 22002200121103. The next prime is 22002200121149. The reversal of 22002200121122 is 22112100220022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9484607524681 + 12517592596441 = 3079709^2 + 3538021^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22002200121122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4754146373 + ... + 4754151000.

Almost surely, 2^{22002200121122} is an apocalyptic number.

22002200121122 is a deficient number, since it is larger than the sum of its proper divisors (13939163952598).

22002200121122 is a wasteful number, since it uses less digits than its factorization.

22002200121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9508297477.

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

Adding to 22002200121122 its reverse (22112100220022), we get a palindrome (44114300341144).

The spelling of 22002200121122 in words is "twenty-two trillion, two billion, two hundred million, one hundred twenty-one thousand, one hundred twenty-two".