1110122161 has 2 divisors, whose sum is σ = 1110122162. Its totient is φ = 1110122160.

The previous prime is 1110122159. The next prime is 1110122171. The reversal of 1110122161 is 1612210111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1105895025 + 4227136 = 33255^2 + 2056^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110122161 - 2¹ = 1110122159 is a prime.

Together with 1110122159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1110122171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555061080 + 555061081.

It is an arithmetic number, because the mean of its divisors is an integer number (555061081).

Almost surely, 2^1110122161 is an apocalyptic number.

It is an amenable number.

1110122161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110122161 is an equidigital number, since it uses as much as digits as its factorization.

1110122161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

The square root of 1110122161 is about 33318.4957793716. The cubic root of 1110122161 is about 1035.4367876447.

Adding to 1110122161 its reverse (1612210111), we get a palindrome (2722332272).

The spelling of 1110122161 in words is "one billion, one hundred ten million, one hundred twenty-two thousand, one hundred sixty-one".