210022320032081 has 2 divisors, whose sum is σ = 210022320032082. Its totient is φ = 210022320032080.

The previous prime is 210022320032039. The next prime is 210022320032111. The reversal of 210022320032081 is 180230023220012.

210022320032081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106831159559056 + 103191160473025 = 10335916^2 + 10158305^2 .

It is a cyclic number.

It is not a de Polignac number, because 210022320032081 - 2²² = 210022315837777 is a prime.

It is a super-3 number, since 3×210022320032081³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 210022320032081.

It is not a weakly prime, because it can be changed into another prime (210022320037081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105011160016040 + 105011160016041.

It is an arithmetic number, because the mean of its divisors is an integer number (105011160016041).

Almost surely, 2^{210022320032081} is an apocalyptic number.

It is an amenable number.

210022320032081 is a deficient number, since it is larger than the sum of its proper divisors (1).

210022320032081 is an equidigital number, since it uses as much as digits as its factorization.

210022320032081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 210022320032081 its reverse (180230023220012), we get a palindrome (390252343252093).

The spelling of 210022320032081 in words is "two hundred ten trillion, twenty-two billion, three hundred twenty million, thirty-two thousand, eighty-one".