2132111031161 has 2 divisors, whose sum is σ = 2132111031162. Its totient is φ = 2132111031160.

The previous prime is 2132111031097. The next prime is 2132111031227. The reversal of 2132111031161 is 1611301112312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2078080818025 + 54030213136 = 1441555^2 + 232444^2 .

It is a cyclic number.

It is not a de Polignac number, because 2132111031161 - 2⁶ = 2132111031097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2132111231161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066055515580 + 1066055515581.

It is an arithmetic number, because the mean of its divisors is an integer number (1066055515581).

Almost surely, 2^{2132111031161} is an apocalyptic number.

It is an amenable number.

2132111031161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132111031161 is an equidigital number, since it uses as much as digits as its factorization.

2132111031161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 2132111031161 its reverse (1611301112312), we get a palindrome (3743412143473).

The spelling of 2132111031161 in words is "two trillion, one hundred thirty-two billion, one hundred eleven million, thirty-one thousand, one hundred sixty-one".