2201011101161 has 2 divisors, whose sum is σ = 2201011101162. Its totient is φ = 2201011101160.

The previous prime is 2201011101103. The next prime is 2201011101173. The reversal of 2201011101161 is 1611011101022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1250776061161 + 950235040000 = 1118381^2 + 974800^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201011101161 - 2²⁶ = 2200943992297 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 (2201011101181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100505550580 + 1100505550581.

It is an arithmetic number, because the mean of its divisors is an integer number (1100505550581).

Almost surely, 2^{2201011101161} is an apocalyptic number.

It is an amenable number.

2201011101161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201011101161 is an equidigital number, since it uses as much as digits as its factorization.

2201011101161 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 17.

Adding to 2201011101161 its reverse (1611011101022), we get a palindrome (3812022202183).

The spelling of 2201011101161 in words is "two trillion, two hundred one billion, eleven million, one hundred one thousand, one hundred sixty-one".