2203031100221 has 8 divisors (see below), whose sum is σ = 2541280201920. Its totient is φ = 1870664591808.

The previous prime is 2203031100167. The next prime is 2203031100229. The reversal of 2203031100221 is 1220011303022.

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 2203031100221 - 2²⁶ = 2202963991357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2203031100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203031100229) 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, 1470647516 + ... + 1470649013.

It is an arithmetic number, because the mean of its divisors is an integer number (317660025240).

Almost surely, 2^{2203031100221} is an apocalyptic number.

It is an amenable number.

2203031100221 is a deficient number, since it is larger than the sum of its proper divisors (338249101699).

2203031100221 is a wasteful number, since it uses less digits than its factorization.

2203031100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941296643.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2203031100221 its reverse (1220011303022), we get a palindrome (3423042403243).

The spelling of 2203031100221 in words is "two trillion, two hundred three billion, thirty-one million, one hundred thousand, two hundred twenty-one".