1113221013169 has 2 divisors, whose sum is σ = 1113221013170. Its totient is φ = 1113221013168.

The previous prime is 1113221013131. The next prime is 1113221013199. The reversal of 1113221013169 is 9613101223111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1070941428769 + 42279584400 = 1034863^2 + 205620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113221013169 is a prime.

It is a super-2 number, since 2×1113221013169² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1113221013169.

It is not a weakly prime, because it can be changed into another prime (1113221013109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556610506584 + 556610506585.

It is an arithmetic number, because the mean of its divisors is an integer number (556610506585).

Almost surely, 2^{1113221013169} is an apocalyptic number.

It is an amenable number.

1113221013169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113221013169 is an equidigital number, since it uses as much as digits as its factorization.

1113221013169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 1113221013169 in words is "one trillion, one hundred thirteen billion, two hundred twenty-one million, thirteen thousand, one hundred sixty-nine".