2112031130213 has 2 divisors, whose sum is σ = 2112031130214. Its totient is φ = 2112031130212.

The previous prime is 2112031130203. The next prime is 2112031130221. The reversal of 2112031130213 is 3120311302112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2110110674884 + 1920455329 = 1452622^2 + 43823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112031130213 is a prime.

It is a super-2 number, since 2×2112031130213² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112031130203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056015565106 + 1056015565107.

It is an arithmetic number, because the mean of its divisors is an integer number (1056015565107).

Almost surely, 2^{2112031130213} is an apocalyptic number.

It is an amenable number.

2112031130213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112031130213 is an equidigital number, since it uses as much as digits as its factorization.

2112031130213 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2112031130213 its reverse (3120311302112), we get a palindrome (5232342432325).

The spelling of 2112031130213 in words is "two trillion, one hundred twelve billion, thirty-one million, one hundred thirty thousand, two hundred thirteen".