110120861 has 2 divisors, whose sum is σ = 110120862. Its totient is φ = 110120860.

The previous prime is 110120851. The next prime is 110120939. The reversal of 110120861 is 168021011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108284836 + 1836025 = 10406^2 + 1355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110120861 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110120851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55060430 + 55060431.

It is an arithmetic number, because the mean of its divisors is an integer number (55060431).

Almost surely, 2^110120861 is an apocalyptic number.

It is an amenable number.

110120861 is a deficient number, since it is larger than the sum of its proper divisors (1).

110120861 is an equidigital number, since it uses as much as digits as its factorization.

110120861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 110120861 is about 10493.8487219895. The cubic root of 110120861 is about 479.3174050498.

Adding to 110120861 its reverse (168021011), we get a palindrome (278141872).

The spelling of 110120861 in words is "one hundred ten million, one hundred twenty thousand, eight hundred sixty-one".