110312322121 has 2 divisors, whose sum is σ = 110312322122. Its totient is φ = 110312322120.

The previous prime is 110312322119. The next prime is 110312322139. The reversal of 110312322121 is 121223213011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93835005625 + 16477316496 = 306325^2 + 128364^2 .

It is a cyclic number.

It is not a de Polignac number, because 110312322121 - 2¹ = 110312322119 is a prime.

Together with 110312322119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (110312322151) 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, 55156161060 + 55156161061.

It is an arithmetic number, because the mean of its divisors is an integer number (55156161061).

Almost surely, 2^110312322121 is an apocalyptic number.

It is an amenable number.

110312322121 is a deficient number, since it is larger than the sum of its proper divisors (1).

110312322121 is an equidigital number, since it uses as much as digits as its factorization.

110312322121 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 19.

Adding to 110312322121 its reverse (121223213011), we get a palindrome (231535535132).

The spelling of 110312322121 in words is "one hundred ten billion, three hundred twelve million, three hundred twenty-two thousand, one hundred twenty-one".