2022032100821 has 2 divisors, whose sum is σ = 2022032100822. Its totient is φ = 2022032100820.

The previous prime is 2022032100811. The next prime is 2022032100833. The reversal of 2022032100821 is 1280012302202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1990396142596 + 31635958225 = 1410814^2 + 177865^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022032100821 - 2¹⁰ = 2022032099797 is a prime.

It is a super-2 number, since 2×2022032100821² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022032100811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011016050410 + 1011016050411.

It is an arithmetic number, because the mean of its divisors is an integer number (1011016050411).

Almost surely, 2^{2022032100821} is an apocalyptic number.

It is an amenable number.

2022032100821 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022032100821 is an equidigital number, since it uses as much as digits as its factorization.

2022032100821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The spelling of 2022032100821 in words is "two trillion, twenty-two billion, thirty-two million, one hundred thousand, eight hundred twenty-one".