11120622181 has 2 divisors, whose sum is σ = 11120622182. Its totient is φ = 11120622180.

The previous prime is 11120622143. The next prime is 11120622197. The reversal of 11120622181 is 18122602111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11119702500 + 919681 = 105450^2 + 959^2 .

It is a cyclic number.

It is not a de Polignac number, because 11120622181 - 2¹⁵ = 11120589413 is a prime.

It is a super-2 number, since 2×11120622181² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11120622481) 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, 5560311090 + 5560311091.

It is an arithmetic number, because the mean of its divisors is an integer number (5560311091).

Almost surely, 2^11120622181 is an apocalyptic number.

It is an amenable number.

11120622181 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120622181 is an equidigital number, since it uses as much as digits as its factorization.

11120622181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 25.

The spelling of 11120622181 in words is "eleven billion, one hundred twenty million, six hundred twenty-two thousand, one hundred eighty-one".