22121120200112 has 40 divisors (see below), whose sum is σ = 43511128173552. Its totient is φ = 10892531232000.

The previous prime is 22121120200103. The next prime is 22121120200133. The reversal of 22121120200112 is 21100202112122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179662 + ... + 6755282.

Almost surely, 2^{22121120200112} is an apocalyptic number.

It is an amenable number.

22121120200112 is a deficient number, since it is larger than the sum of its proper divisors (21390007973440).

22121120200112 is a wasteful number, since it uses less digits than its factorization.

22121120200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579397 (or 5579391 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22121120200112 its reverse (21100202112122), we get a palindrome (43221322312234).

The spelling of 22121120200112 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twenty million, two hundred thousand, one hundred twelve".