2203121310113 has 2 divisors, whose sum is σ = 2203121310114. Its totient is φ = 2203121310112.

The previous prime is 2203121310107. The next prime is 2203121310133. The reversal of 2203121310113 is 3110131213022.

It is a happy number.

It is an a-pointer prime, because the next prime (2203121310133) can be obtained adding 2203121310113 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1756560574609 + 446560735504 = 1325353^2 + 668252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2203121310113 is a prime.

It is not a weakly prime, because it can be changed into another prime (2203121310133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101560655056 + 1101560655057.

It is an arithmetic number, because the mean of its divisors is an integer number (1101560655057).

Almost surely, 2^{2203121310113} is an apocalyptic number.

It is an amenable number.

2203121310113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203121310113 is an equidigital number, since it uses as much as digits as its factorization.

2203121310113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2203121310113 its reverse (3110131213022), we get a palindrome (5313252523135).

The spelling of 2203121310113 in words is "two trillion, two hundred three billion, one hundred twenty-one million, three hundred ten thousand, one hundred thirteen".