2201221002100 has 36 divisors (see below), whose sum is σ = 4930735051648. Its totient is φ = 852085548000.

The previous prime is 2201221002077. The next prime is 2201221002143. The reversal of 2201221002100 is 12001221022.

It is a happy number.

It is a super-2 number, since 2×2201221002100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355032546 + ... + 355038745.

Almost surely, 2^{2201221002100} is an apocalyptic number.

2201221002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201221002100 is an abundant number, since it is smaller than the sum of its proper divisors (2729514049548).

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

2201221002100 is a wasteful number, since it uses less digits than its factorization.

2201221002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710071336 (or 710071329 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2201221002100 its reverse (12001221022), we get a palindrome (2213222223122).

The spelling of 2201221002100 in words is "two trillion, two hundred one billion, two hundred twenty-one million, two thousand, one hundred".