22002022212112 has 40 divisors (see below), whose sum is σ = 43849352883672. Its totient is φ = 10686987878400.

The previous prime is 22002022212109. The next prime is 22002022212113. The reversal of 22002022212112 is 21121222020022.

It can be written as a sum of positive squares in 4 ways, for example, as 17769226206736 + 4232796005376 = 4215356^2 + 2057376^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22002022212112.

It is not an unprimeable number, because it can be changed into a prime (22002022212113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28610839 + ... + 29369782.

Almost surely, 2^{22002022212112} is an apocalyptic number.

It is an amenable number.

22002022212112 is a deficient number, since it is larger than the sum of its proper divisors (21847330671560).

22002022212112 is a wasteful number, since it uses less digits than its factorization.

22002022212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57981307 (or 57981301 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22002022212112 its reverse (21121222020022), we get a palindrome (43123244232134).

The spelling of 22002022212112 in words is "twenty-two trillion, two billion, twenty-two million, two hundred twelve thousand, one hundred twelve".