110101120981 has 2 divisors, whose sum is σ = 110101120982. Its totient is φ = 110101120980.

The previous prime is 110101120889. The next prime is 110101121051. The reversal of 110101120981 is 189021101011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109869046225 + 232074756 = 331465^2 + 15234^2 .

It is a cyclic number.

It is not a de Polignac number, because 110101120981 - 2¹⁵ = 110101088213 is a prime.

It is a super-2 number, since 2×110101120981² (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 (110101420981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050560490 + 55050560491.

It is an arithmetic number, because the mean of its divisors is an integer number (55050560491).

Almost surely, 2^110101120981 is an apocalyptic number.

It is an amenable number.

110101120981 is a deficient number, since it is larger than the sum of its proper divisors (1).

110101120981 is an equidigital number, since it uses as much as digits as its factorization.

110101120981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 25.

Adding to 110101120981 its reverse (189021101011), we get a palindrome (299122221992).

The spelling of 110101120981 in words is "one hundred ten billion, one hundred one million, one hundred twenty thousand, nine hundred eighty-one".