110120230981 has 2 divisors, whose sum is σ = 110120230982. Its totient is φ = 110120230980.

The previous prime is 110120230949. The next prime is 110120231021. The reversal of 110120230981 is 189032021011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67267090881 + 42853140100 = 259359^2 + 207010^2 .

It is a cyclic number.

It is not a de Polignac number, because 110120230981 - 2⁵ = 110120230949 is a prime.

It is a super-2 number, since 2×110120230981² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110120230681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55060115490 + 55060115491.

It is an arithmetic number, because the mean of its divisors is an integer number (55060115491).

Almost surely, 2^110120230981 is an apocalyptic number.

It is an amenable number.

110120230981 is a deficient number, since it is larger than the sum of its proper divisors (1).

110120230981 is an equidigital number, since it uses as much as digits as its factorization.

110120230981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

Adding to 110120230981 its reverse (189032021011), we get a palindrome (299152251992).

The spelling of 110120230981 in words is "one hundred ten billion, one hundred twenty million, two hundred thirty thousand, nine hundred eighty-one".