110001212120117 has 2 divisors, whose sum is σ = 110001212120118. Its totient is φ = 110001212120116.

The previous prime is 110001212120099. The next prime is 110001212120131. The reversal of 110001212120117 is 711021212100011.

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., 60805591266436 + 49195620853681 = 7797794^2 + 7013959^2 .

It is a cyclic number.

It is not a de Polignac number, because 110001212120117 - 2⁶ = 110001212120053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110001212120147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000606060058 + 55000606060059.

It is an arithmetic number, because the mean of its divisors is an integer number (55000606060059).

Almost surely, 2^{110001212120117} is an apocalyptic number.

It is an amenable number.

110001212120117 is a deficient number, since it is larger than the sum of its proper divisors (1).

110001212120117 is an equidigital number, since it uses as much as digits as its factorization.

110001212120117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 110001212120117 its reverse (711021212100011), we get a palindrome (821022424220128).

The spelling of 110001212120117 in words is "one hundred ten trillion, one billion, two hundred twelve million, one hundred twenty thousand, one hundred seventeen".