2200100021221 has 8 divisors (see below), whose sum is σ = 2317051012320. Its totient is φ = 2083264655472.

The previous prime is 2200100021131. The next prime is 2200100021233. The reversal of 2200100021221 is 1221200010022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2200100021221 - 2¹⁵ = 2200099988453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200100021521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28867270 + ... + 28943383.

It is an arithmetic number, because the mean of its divisors is an integer number (289631376540).

Almost surely, 2^{2200100021221} is an apocalyptic number.

It is an amenable number.

2200100021221 is a deficient number, since it is larger than the sum of its proper divisors (116950991099).

2200100021221 is a wasteful number, since it uses less digits than its factorization.

2200100021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57812675.

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

Adding to 2200100021221 its reverse (1221200010022), we get a palindrome (3421300031243).

The spelling of 2200100021221 in words is "two trillion, two hundred billion, one hundred million, twenty-one thousand, two hundred twenty-one".