2211212112013 has 2 divisors, whose sum is σ = 2211212112014. Its totient is φ = 2211212112012.

The previous prime is 2211212112007. The next prime is 2211212112029. The reversal of 2211212112013 is 3102112121122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2209613871529 + 1598240484 = 1486477^2 + 39978^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211212112013 - 2²¹ = 2211210014861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211212112073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105606056006 + 1105606056007.

It is an arithmetic number, because the mean of its divisors is an integer number (1105606056007).

Almost surely, 2^{2211212112013} is an apocalyptic number.

It is an amenable number.

2211212112013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211212112013 is an equidigital number, since it uses as much as digits as its factorization.

2211212112013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2211212112013 its reverse (3102112121122), we get a palindrome (5313324233135).

The spelling of 2211212112013 in words is "two trillion, two hundred eleven billion, two hundred twelve million, one hundred twelve thousand, thirteen".