12211103319893 has 2 divisors, whose sum is σ = 12211103319894. Its totient is φ = 12211103319892.

The previous prime is 12211103319853. The next prime is 12211103319911. The reversal of 12211103319893 is 39891330111221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11439161845489 + 771941474404 = 3382183^2 + 878602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12211103319893 is a prime.

It is a super-2 number, since 2×12211103319893² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211103319823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105551659946 + 6105551659947.

It is an arithmetic number, because the mean of its divisors is an integer number (6105551659947).

Almost surely, 2^{12211103319893} is an apocalyptic number.

It is an amenable number.

12211103319893 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211103319893 is an equidigital number, since it uses as much as digits as its factorization.

12211103319893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 44.

The spelling of 12211103319893 in words is "twelve trillion, two hundred eleven billion, one hundred three million, three hundred nineteen thousand, eight hundred ninety-three".