110031331121 has 2 divisors, whose sum is σ = 110031331122. Its totient is φ = 110031331120.

The previous prime is 110031331117. The next prime is 110031331139. The reversal of 110031331121 is 121133130011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80846392225 + 29184938896 = 284335^2 + 170836^2 .

It is an emirp because it is prime and its reverse (121133130011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110031331121 - 2² = 110031331117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110031331121.

It is not a weakly prime, because it can be changed into another prime (110031331141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55015665560 + 55015665561.

It is an arithmetic number, because the mean of its divisors is an integer number (55015665561).

Almost surely, 2^110031331121 is an apocalyptic number.

It is an amenable number.

110031331121 is a deficient number, since it is larger than the sum of its proper divisors (1).

110031331121 is an equidigital number, since it uses as much as digits as its factorization.

110031331121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 110031331121 its reverse (121133130011), we get a palindrome (231164461132).

The spelling of 110031331121 in words is "one hundred ten billion, thirty-one million, three hundred thirty-one thousand, one hundred twenty-one".