2021122297 has 2 divisors, whose sum is σ = 2021122298. Its totient is φ = 2021122296.

The previous prime is 2021122277. The next prime is 2021122319. The reversal of 2021122297 is 7922211202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1827049536 + 194072761 = 42744^2 + 13931^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021122297 - 2¹¹ = 2021120249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021122277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010561148 + 1010561149.

It is an arithmetic number, because the mean of its divisors is an integer number (1010561149).

Almost surely, 2^2021122297 is an apocalyptic number.

It is an amenable number.

2021122297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021122297 is an equidigital number, since it uses as much as digits as its factorization.

2021122297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2021122297 is about 44956.8937650279. The cubic root of 2021122297 is about 1264.3409309826.

Adding to 2021122297 its reverse (7922211202), we get a palindrome (9943333499).

The spelling of 2021122297 in words is "two billion, twenty-one million, one hundred twenty-two thousand, two hundred ninety-seven".