2203211131321 has 4 divisors (see below), whose sum is σ = 2203233747444. Its totient is φ = 2203188515200.

The previous prime is 2203211131313. The next prime is 2203211131333. The reversal of 2203211131321 is 1231311123022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 618291279225 + 1584919852096 = 786315^2 + 1258936^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203211131321 - 2³ = 2203211131313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2203211131292 and 2203211131301.

It is not an unprimeable number, because it can be changed into a prime (2203211131351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11161300 + ... + 11356981.

It is an arithmetic number, because the mean of its divisors is an integer number (550808436861).

Almost surely, 2^{2203211131321} is an apocalyptic number.

It is an amenable number.

2203211131321 is a deficient number, since it is larger than the sum of its proper divisors (22616123).

2203211131321 is an equidigital number, since it uses as much as digits as its factorization.

2203211131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22616122.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2203211131321 its reverse (1231311123022), we get a palindrome (3434522254343).

The spelling of 2203211131321 in words is "two trillion, two hundred three billion, two hundred eleven million, one hundred thirty-one thousand, three hundred twenty-one".