10113322181 has 2 divisors, whose sum is σ = 10113322182. Its totient is φ = 10113322180.

The previous prime is 10113322171. The next prime is 10113322211. The reversal of 10113322181 is 18122331101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6861471556 + 3251850625 = 82834^2 + 57025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10113322181 is a prime.

It is a super-2 number, since 2×10113322181² (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 (10113322171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5056661090 + 5056661091.

It is an arithmetic number, because the mean of its divisors is an integer number (5056661091).

Almost surely, 2^10113322181 is an apocalyptic number.

It is an amenable number.

10113322181 is a deficient number, since it is larger than the sum of its proper divisors (1).

10113322181 is an equidigital number, since it uses as much as digits as its factorization.

10113322181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 10113322181 its reverse (18122331101), we get a palindrome (28235653282).

The spelling of 10113322181 in words is "ten billion, one hundred thirteen million, three hundred twenty-two thousand, one hundred eighty-one".