2302122212021 has 2 divisors, whose sum is σ = 2302122212022. Its totient is φ = 2302122212020.

The previous prime is 2302122211969. The next prime is 2302122212063. The reversal of 2302122212021 is 1202122212032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2274471178225 + 27651033796 = 1508135^2 + 166286^2 .

It is a cyclic number.

It is not a de Polignac number, because 2302122212021 - 2³⁰ = 2301048470197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2302122211984 and 2302122212002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2302122212081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151061106010 + 1151061106011.

It is an arithmetic number, because the mean of its divisors is an integer number (1151061106011).

Almost surely, 2^{2302122212021} is an apocalyptic number.

It is an amenable number.

2302122212021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2302122212021 is an equidigital number, since it uses as much as digits as its factorization.

2302122212021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2302122212021 its reverse (1202122212032), we get a palindrome (3504244424053).

The spelling of 2302122212021 in words is "two trillion, three hundred two billion, one hundred twenty-two million, two hundred twelve thousand, twenty-one".