2203121132213 has 2 divisors, whose sum is σ = 2203121132214. Its totient is φ = 2203121132212.

The previous prime is 2203121132207. The next prime is 2203121132221. The reversal of 2203121132213 is 3122311213022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1708999300369 + 494121831844 = 1307287^2 + 702938^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203121132213 - 2²⁸ = 2202852696757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2203121132263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101560566106 + 1101560566107.

It is an arithmetic number, because the mean of its divisors is an integer number (1101560566107).

Almost surely, 2^{2203121132213} is an apocalyptic number.

It is an amenable number.

2203121132213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203121132213 is an equidigital number, since it uses as much as digits as its factorization.

2203121132213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2203121132213 its reverse (3122311213022), we get a palindrome (5325432345235).

The spelling of 2203121132213 in words is "two trillion, two hundred three billion, one hundred twenty-one million, one hundred thirty-two thousand, two hundred thirteen".