110110110012121 has 2 divisors, whose sum is σ = 110110110012122. Its totient is φ = 110110110012120.

The previous prime is 110110110012113. The next prime is 110110110012173. The reversal of 110110110012121 is 121210011011011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74847760131600 + 35262349880521 = 8651460^2 + 5938211^2 .

It is a cyclic number.

It is not a de Polignac number, because 110110110012121 - 2³ = 110110110012113 is a prime.

It is not a weakly prime, because it can be changed into another prime (110110110012101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55055055006060 + 55055055006061.

It is an arithmetic number, because the mean of its divisors is an integer number (55055055006061).

Almost surely, 2^{110110110012121} is an apocalyptic number.

It is an amenable number.

110110110012121 is a deficient number, since it is larger than the sum of its proper divisors (1).

110110110012121 is an equidigital number, since it uses as much as digits as its factorization.

110110110012121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 110110110012121 its reverse (121210011011011), we get a palindrome (231320121023132).

The spelling of 110110110012121 in words is "one hundred ten trillion, one hundred ten billion, one hundred ten million, twelve thousand, one hundred twenty-one".