13100233221181 has 2 divisors, whose sum is σ = 13100233221182. Its totient is φ = 13100233221180.

The previous prime is 13100233221169. The next prime is 13100233221239. The reversal of 13100233221181 is 18112233200131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8076202361956 + 5024030859225 = 2841866^2 + 2241435^2 .

It is a cyclic number.

It is not a de Polignac number, because 13100233221181 - 2⁵ = 13100233221149 is a prime.

It is a super-2 number, since 2×13100233221181² (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 (13100233221161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6550116610590 + 6550116610591.

It is an arithmetic number, because the mean of its divisors is an integer number (6550116610591).

Almost surely, 2^{13100233221181} is an apocalyptic number.

It is an amenable number.

13100233221181 is a deficient number, since it is larger than the sum of its proper divisors (1).

13100233221181 is an equidigital number, since it uses as much as digits as its factorization.

13100233221181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 13100233221181 in words is "thirteen trillion, one hundred billion, two hundred thirty-three million, two hundred twenty-one thousand, one hundred eighty-one".