2222111101993 has 2 divisors, whose sum is σ = 2222111101994. Its totient is φ = 2222111101992.

The previous prime is 2222111101961. The next prime is 2222111102017. The reversal of 2222111101993 is 3991011112222.

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., 2128599296784 + 93511805209 = 1458972^2 + 305797^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222111101993 - 2⁵ = 2222111101961 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222111101913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111055550996 + 1111055550997.

It is an arithmetic number, because the mean of its divisors is an integer number (1111055550997).

Almost surely, 2^{2222111101993} is an apocalyptic number.

It is an amenable number.

2222111101993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222111101993 is an equidigital number, since it uses as much as digits as its factorization.

2222111101993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 2222111101993 in words is "two trillion, two hundred twenty-two billion, one hundred eleven million, one hundred one thousand, nine hundred ninety-three".