1110012002161 has 2 divisors, whose sum is σ = 1110012002162. Its totient is φ = 1110012002160.

The previous prime is 1110012002083. The next prime is 1110012002207. The reversal of 1110012002161 is 1612002100111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 970225000000 + 139787002161 = 985000^2 + 373881^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110012002161 - 2¹¹ = 1110012000113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1110012002261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555006001080 + 555006001081.

It is an arithmetic number, because the mean of its divisors is an integer number (555006001081).

Almost surely, 2^{1110012002161} is an apocalyptic number.

It is an amenable number.

1110012002161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110012002161 is an equidigital number, since it uses as much as digits as its factorization.

1110012002161 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.

Adding to 1110012002161 its reverse (1612002100111), we get a palindrome (2722014102272).

The spelling of 1110012002161 in words is "one trillion, one hundred ten billion, twelve million, two thousand, one hundred sixty-one".