2211112219993 has 2 divisors, whose sum is σ = 2211112219994. Its totient is φ = 2211112219992.

The previous prime is 2211112219991. The next prime is 2211112220029. The reversal of 2211112219993 is 3999122111122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1206049829209 + 1005062390784 = 1098203^2 + 1002528^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211112219993 - 2¹ = 2211112219991 is a prime.

Together with 2211112219991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2211112219991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105556109996 + 1105556109997.

It is an arithmetic number, because the mean of its divisors is an integer number (1105556109997).

Almost surely, 2^{2211112219993} is an apocalyptic number.

It is an amenable number.

2211112219993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211112219993 is an equidigital number, since it uses as much as digits as its factorization.

2211112219993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 43.

The spelling of 2211112219993 in words is "two trillion, two hundred eleven billion, one hundred twelve million, two hundred nineteen thousand, nine hundred ninety-three".