11122210016989 has 2 divisors, whose sum is σ = 11122210016990. Its totient is φ = 11122210016988.

The previous prime is 11122210016923. The next prime is 11122210016999. The reversal of 11122210016989 is 98961001222111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8980840208025 + 2141369808964 = 2996805^2 + 1463342^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122210016989 - 2¹¹ = 11122210014941 is a prime.

It is a super-2 number, since 2×11122210016989² (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 (11122210016999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561105008494 + 5561105008495.

It is an arithmetic number, because the mean of its divisors is an integer number (5561105008495).

Almost surely, 2^{11122210016989} is an apocalyptic number.

It is an amenable number.

11122210016989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122210016989 is an equidigital number, since it uses as much as digits as its factorization.

11122210016989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 43.

The spelling of 11122210016989 in words is "eleven trillion, one hundred twenty-two billion, two hundred ten million, sixteen thousand, nine hundred eighty-nine".