110287221612881 has 2 divisors, whose sum is σ = 110287221612882. Its totient is φ = 110287221612880.

The previous prime is 110287221612877. The next prime is 110287221612943. The reversal of 110287221612881 is 188216122782011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90633427385281 + 19653794227600 = 9520159^2 + 4433260^2 .

It is a cyclic number.

It is not a de Polignac number, because 110287221612881 - 2² = 110287221612877 is a prime.

It is a super-2 number, since 2×110287221612881² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110287221612851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55143610806440 + 55143610806441.

It is an arithmetic number, because the mean of its divisors is an integer number (55143610806441).

Almost surely, 2^{110287221612881} is an apocalyptic number.

It is an amenable number.

110287221612881 is a deficient number, since it is larger than the sum of its proper divisors (1).

110287221612881 is an equidigital number, since it uses as much as digits as its factorization.

110287221612881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 344064, while the sum is 50.

The spelling of 110287221612881 in words is "one hundred ten trillion, two hundred eighty-seven billion, two hundred twenty-one million, six hundred twelve thousand, eight hundred eighty-one".