110012031121 has 2 divisors, whose sum is σ = 110012031122. Its totient is φ = 110012031120.

The previous prime is 110012031091. The next prime is 110012031127. The reversal of 110012031121 is 121130210011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102073221121 + 7938810000 = 319489^2 + 89100^2 .

It is a cyclic number.

It is not a de Polignac number, because 110012031121 - 2⁷ = 110012030993 is a prime.

It is not a weakly prime, because it can be changed into another prime (110012031127) 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, 55006015560 + 55006015561.

It is an arithmetic number, because the mean of its divisors is an integer number (55006015561).

Almost surely, 2^110012031121 is an apocalyptic number.

It is an amenable number.

110012031121 is a deficient number, since it is larger than the sum of its proper divisors (1).

110012031121 is an equidigital number, since it uses as much as digits as its factorization.

110012031121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 110012031121 its reverse (121130210011), we get a palindrome (231142241132).

The spelling of 110012031121 in words is "one hundred ten billion, twelve million, thirty-one thousand, one hundred twenty-one".