20222111121200 has 120 divisors (see below), whose sum is σ = 50388523785216. Its totient is φ = 7790813856000.

The previous prime is 20222111121181. The next prime is 20222111121263. The reversal of 20222111121200 is 212111122202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1248092 + ... + 6480891.

Almost surely, 2^{20222111121200} is an apocalyptic number.

20222111121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222111121200 is an abundant number, since it is smaller than the sum of its proper divisors (30166412664016).

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

20222111121200 is a wasteful number, since it uses less digits than its factorization.

20222111121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7729243 (or 7729232 counting only the distinct ones).

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

Adding to 20222111121200 its reverse (212111122202), we get a palindrome (20434222243402).

The spelling of 20222111121200 in words is "twenty trillion, two hundred twenty-two billion, one hundred eleven million, one hundred twenty-one thousand, two hundred".