22121120010244 has 12 divisors (see below), whose sum is σ = 38712422379484. Its totient is φ = 11060427901824.

The previous prime is 22121120010211. The next prime is 22121120010277. The reversal of 22121120010244 is 44201002112122.

It is an interprime number because it is at equal distance from previous prime (22121120010211) and next prime (22121120010277).

It can be written as a sum of positive squares in 2 ways, for example, as 5861579944900 + 16259540065344 = 2421070^2 + 4032312^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32648577 + ... + 33319240.

Almost surely, 2^{22121120010244} is an apocalyptic number.

It is an amenable number.

22121120010244 is a deficient number, since it is larger than the sum of its proper divisors (16591302369240).

22121120010244 is a wasteful number, since it uses less digits than its factorization.

22121120010244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66051654 (or 66051652 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22121120010244 its reverse (44201002112122), we get a palindrome (66322122122366).

The spelling of 22121120010244 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twenty million, ten thousand, two hundred forty-four".