2210221021100 has 18 divisors (see below), whose sum is σ = 4796179616004. Its totient is φ = 884088408400.

The previous prime is 2210221021091. The next prime is 2210221021111. The reversal of 2210221021100 is 11201220122.

It is a super-2 number, since 2×2210221021100² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11051105006 + ... + 11051105205.

Almost surely, 2^{2210221021100} is an apocalyptic number.

2210221021100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210221021100 is an abundant number, since it is smaller than the sum of its proper divisors (2585958594904).

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

2210221021100 is a wasteful number, since it uses less digits than its factorization.

2210221021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22102210225 (or 22102210218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2210221021100 its reverse (11201220122), we get a palindrome (2221422241222).

The spelling of 2210221021100 in words is "two trillion, two hundred ten billion, two hundred twenty-one million, twenty-one thousand, one hundred".