110303443981 has 2 divisors, whose sum is σ = 110303443982. Its totient is φ = 110303443980.

The previous prime is 110303443973. The next prime is 110303444071. The reversal of 110303443981 is 189344303011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110270484900 + 32959081 = 332070^2 + 5741^2 .

It is an emirp because it is prime and its reverse (189344303011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110303443981 - 2³ = 110303443973 is a prime.

It is a super-2 number, since 2×110303443981² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 110303443981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110303443951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55151721990 + 55151721991.

It is an arithmetic number, because the mean of its divisors is an integer number (55151721991).

Almost surely, 2^110303443981 is an apocalyptic number.

It is an amenable number.

110303443981 is a deficient number, since it is larger than the sum of its proper divisors (1).

110303443981 is an equidigital number, since it uses as much as digits as its factorization.

110303443981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

Adding to 110303443981 its reverse (189344303011), we get a palindrome (299647746992).

The spelling of 110303443981 in words is "one hundred ten billion, three hundred three million, four hundred forty-three thousand, nine hundred eighty-one".