22220112101100 has 144 divisors (see below), whose sum is σ = 66668813422848. Its totient is φ = 5709244988160.

The previous prime is 22220112101081. The next prime is 22220112101129. The reversal of 22220112101100 is 110121102222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22220112101100.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8574234 + ... + 10860833.

It is an arithmetic number, because the mean of its divisors is an integer number (462977870992).

Almost surely, 2^{22220112101100} is an apocalyptic number.

22220112101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220112101100 is an abundant number, since it is smaller than the sum of its proper divisors (44448701321748).

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

22220112101100 is a wasteful number, since it uses less digits than its factorization.

22220112101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19435224 (or 19435217 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22220112101100 its reverse (110121102222), we get a palindrome (22330233203322).

The spelling of 22220112101100 in words is "twenty-two trillion, two hundred twenty billion, one hundred twelve million, one hundred one thousand, one hundred".