2111120122213 has 2 divisors, whose sum is σ = 2111120122214. Its totient is φ = 2111120122212.

The previous prime is 2111120122151. The next prime is 2111120122253. The reversal of 2111120122213 is 3122210211112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1730927028609 + 380193093604 = 1315647^2 + 616598^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111120122213 - 2⁹ = 2111120121701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111120122253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055560061106 + 1055560061107.

It is an arithmetic number, because the mean of its divisors is an integer number (1055560061107).

Almost surely, 2^{2111120122213} is an apocalyptic number.

It is an amenable number.

2111120122213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111120122213 is an equidigital number, since it uses as much as digits as its factorization.

2111120122213 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 2111120122213 its reverse (3122210211112), we get a palindrome (5233330333325).

The spelling of 2111120122213 in words is "two trillion, one hundred eleven billion, one hundred twenty million, one hundred twenty-two thousand, two hundred thirteen".