212022101201161 has 2 divisors, whose sum is σ = 212022101201162. Its totient is φ = 212022101201160.

The previous prime is 212022101201149. The next prime is 212022101201213. The reversal of 212022101201161 is 161102101220212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212009441575936 + 12659625225 = 14560544^2 + 112515^2 .

It is a cyclic number.

It is not a de Polignac number, because 212022101201161 - 2¹⁷ = 212022101070089 is a prime.

It is not a weakly prime, because it can be changed into another prime (212022101271161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011050600580 + 106011050600581.

It is an arithmetic number, because the mean of its divisors is an integer number (106011050600581).

Almost surely, 2^{212022101201161} is an apocalyptic number.

It is an amenable number.

212022101201161 is a deficient number, since it is larger than the sum of its proper divisors (1).

212022101201161 is an equidigital number, since it uses as much as digits as its factorization.

212022101201161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 212022101201161 its reverse (161102101220212), we get a palindrome (373124202421373).

The spelling of 212022101201161 in words is "two hundred twelve trillion, twenty-two billion, one hundred one million, two hundred one thousand, one hundred sixty-one".