2203243534221 has 32 divisors (see below), whose sum is σ = 2988464544000. Its totient is φ = 1443574775808.

The previous prime is 2203243534211. The next prime is 2203243534249. The reversal of 2203243534221 is 1224353423022.

It is not a de Polignac number, because 2203243534221 - 2⁹ = 2203243533709 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203243534211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110767045 + ... + 110786933.

It is an arithmetic number, because the mean of its divisors is an integer number (93389517000).

Almost surely, 2^{2203243534221} is an apocalyptic number.

It is an amenable number.

2203243534221 is a deficient number, since it is larger than the sum of its proper divisors (785221009779).

2203243534221 is a wasteful number, since it uses less digits than its factorization.

2203243534221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21733.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 2203243534221 its reverse (1224353423022), we get a palindrome (3427596957243).

The spelling of 2203243534221 in words is "two trillion, two hundred three billion, two hundred forty-three million, five hundred thirty-four thousand, two hundred twenty-one".