22120032221100 has 108 divisors (see below), whose sum is σ = 75637104149880. Its totient is φ = 5362432051200.

The previous prime is 22120032221071. The next prime is 22120032221129. The reversal of 22120032221100 is 112223002122.

22120032221100 is a `hidden beast` number, since 2 + 21 + 200 + 322 + 21 + 100 = 666.

It is an interprime number because it is at equal distance from previous prime (22120032221071) and next prime (22120032221129).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1117163445 + ... + 1117183244.

Almost surely, 2^{22120032221100} is an apocalyptic number.

22120032221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120032221100 is an abundant number, since it is smaller than the sum of its proper divisors (53517071928780).

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

22120032221100 is a wasteful number, since it uses less digits than its factorization.

22120032221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234346720 (or 2234346710 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22120032221100 its reverse (112223002122), we get a palindrome (22232255223222).

The spelling of 22120032221100 in words is "twenty-two trillion, one hundred twenty billion, thirty-two million, two hundred twenty-one thousand, one hundred".