1110100201181 has 2 divisors, whose sum is σ = 1110100201182. Its totient is φ = 1110100201180.

The previous prime is 1110100201169. The next prime is 1110100201253. The reversal of 1110100201181 is 1811020010111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 604210836100 + 505889365081 = 777310^2 + 711259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110100201181 is a prime.

It is a super-2 number, since 2×1110100201181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110100201081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555050100590 + 555050100591.

It is an arithmetic number, because the mean of its divisors is an integer number (555050100591).

Almost surely, 2^{1110100201181} is an apocalyptic number.

It is an amenable number.

1110100201181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110100201181 is an equidigital number, since it uses as much as digits as its factorization.

1110100201181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 1110100201181 its reverse (1811020010111), we get a palindrome (2921120211292).

The spelling of 1110100201181 in words is "one trillion, one hundred ten billion, one hundred million, two hundred one thousand, one hundred eighty-one".