120011100101161 has 2 divisors, whose sum is σ = 120011100101162. Its totient is φ = 120011100101160.

The previous prime is 120011100101153. The next prime is 120011100101219. The reversal of 120011100101161 is 161101001110021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74598529057936 + 45412571043225 = 8637044^2 + 6738885^2 .

It is a cyclic number.

It is not a de Polignac number, because 120011100101161 - 2³ = 120011100101153 is a prime.

It is not a weakly prime, because it can be changed into another prime (120011100101461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005550050580 + 60005550050581.

It is an arithmetic number, because the mean of its divisors is an integer number (60005550050581).

Almost surely, 2^{120011100101161} is an apocalyptic number.

It is an amenable number.

120011100101161 is a deficient number, since it is larger than the sum of its proper divisors (1).

120011100101161 is an equidigital number, since it uses as much as digits as its factorization.

120011100101161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 120011100101161 its reverse (161101001110021), we get a palindrome (281112101211182).

The spelling of 120011100101161 in words is "one hundred twenty trillion, eleven billion, one hundred million, one hundred one thousand, one hundred sixty-one".