11222112000181 has 2 divisors, whose sum is σ = 11222112000182. Its totient is φ = 11222112000180.

The previous prime is 11222112000133. The next prime is 11222112000331. The reversal of 11222112000181 is 18100021122211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10648532977681 + 573579022500 = 3263209^2 + 757350^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222112000181 - 2³³ = 11213522065589 is a prime.

It is a super-2 number, since 2×11222112000181² (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 (11222112070181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611056000090 + 5611056000091.

It is an arithmetic number, because the mean of its divisors is an integer number (5611056000091).

Almost surely, 2^{11222112000181} is an apocalyptic number.

It is an amenable number.

11222112000181 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222112000181 is an equidigital number, since it uses as much as digits as its factorization.

11222112000181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 22.

Adding to 11222112000181 its reverse (18100021122211), we get a palindrome (29322133122392).

The spelling of 11222112000181 in words is "eleven trillion, two hundred twenty-two billion, one hundred twelve million, one hundred eighty-one", and thus it is an aban number.