110997281 has 2 divisors, whose sum is σ = 110997282. Its totient is φ = 110997280.

The previous prime is 110997277. The next prime is 110997323. The reversal of 110997281 is 182799011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104366656 + 6630625 = 10216^2 + 2575^2 .

It is a cyclic number.

It is not a de Polignac number, because 110997281 - 2² = 110997277 is a prime.

It is a super-2 number, since 2×110997281² = 24640792778785922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110997781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55498640 + 55498641.

It is an arithmetic number, because the mean of its divisors is an integer number (55498641).

Almost surely, 2^110997281 is an apocalyptic number.

It is an amenable number.

110997281 is a deficient number, since it is larger than the sum of its proper divisors (1).

110997281 is an equidigital number, since it uses as much as digits as its factorization.

110997281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 38.

The square root of 110997281 is about 10535.5247140330. The cubic root of 110997281 is about 480.5856292454.

The spelling of 110997281 in words is "one hundred ten million, nine hundred ninety-seven thousand, two hundred eighty-one".