20222010212021 has 2 divisors, whose sum is σ = 20222010212022. Its totient is φ = 20222010212020.

The previous prime is 20222010211979. The next prime is 20222010212059. The reversal of 20222010212021 is 12021201022202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17678543431396 + 2543466780625 = 4204586^2 + 1594825^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222010212021 - 2⁶ = 20222010211957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20222010212071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111005106010 + 10111005106011.

It is an arithmetic number, because the mean of its divisors is an integer number (10111005106011).

Almost surely, 2^{20222010212021} is an apocalyptic number.

It is an amenable number.

20222010212021 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222010212021 is an equidigital number, since it uses as much as digits as its factorization.

20222010212021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20222010212021 its reverse (12021201022202), we get a palindrome (32243211234223).

The spelling of 20222010212021 in words is "twenty trillion, two hundred twenty-two billion, ten million, two hundred twelve thousand, twenty-one".