2200021121100 has 144 divisors (see below), whose sum is σ = 7131744539136. Its totient is φ = 518923872000.

The previous prime is 2200021121087. The next prime is 2200021121101. The reversal of 2200021121100 is 11211200022.

It is a super-2 number, since 2×2200021121100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2200021121101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8886996 + ... + 9131195.

It is an arithmetic number, because the mean of its divisors is an integer number (49526003744).

Almost surely, 2^{2200021121100} is an apocalyptic number.

2200021121100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200021121100 is an abundant number, since it is smaller than the sum of its proper divisors (4931723418036).

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

2200021121100 is a wasteful number, since it uses less digits than its factorization.

2200021121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18018256 (or 18018249 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2200021121100 its reverse (11211200022), we get a palindrome (2211232321122).

The spelling of 2200021121100 in words is "two trillion, two hundred billion, twenty-one million, one hundred twenty-one thousand, one hundred".