110121120201161 has 2 divisors, whose sum is σ = 110121120201162. Its totient is φ = 110121120201160.

The previous prime is 110121120201097. The next prime is 110121120201163. The reversal of 110121120201161 is 161102021121011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90726291751225 + 19394828449936 = 9525035^2 + 4403956^2 .

It is a cyclic number.

It is not a de Polignac number, because 110121120201161 - 2⁶ = 110121120201097 is a prime.

It is a super-2 number, since 2×110121120201161² (a number of 29 digits) contains 22 as substring.

Together with 110121120201163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (110121120201163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55060560100580 + 55060560100581.

It is an arithmetic number, because the mean of its divisors is an integer number (55060560100581).

Almost surely, 2^{110121120201161} is an apocalyptic number.

It is an amenable number.

110121120201161 is a deficient number, since it is larger than the sum of its proper divisors (1).

110121120201161 is an equidigital number, since it uses as much as digits as its factorization.

110121120201161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 20.

Adding to 110121120201161 its reverse (161102021121011), we get a palindrome (271223141322172).

The spelling of 110121120201161 in words is "one hundred ten trillion, one hundred twenty-one billion, one hundred twenty million, two hundred one thousand, one hundred sixty-one".