10202022000221 has 2 divisors, whose sum is σ = 10202022000222. Its totient is φ = 10202022000220.

The previous prime is 10202022000211. The next prime is 10202022000299. The reversal of 10202022000221 is 12200022020201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9774814660900 + 427207339321 = 3126470^2 + 653611^2 .

It is an emirp because it is prime and its reverse (12200022020201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10202022000221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10202022000196 and 10202022000205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10202022000211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101011000110 + 5101011000111.

It is an arithmetic number, because the mean of its divisors is an integer number (5101011000111).

Almost surely, 2^{10202022000221} is an apocalyptic number.

It is an amenable number.

10202022000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202022000221 is an equidigital number, since it uses as much as digits as its factorization.

10202022000221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10202022000221 its reverse (12200022020201), we get a palindrome (22402044020422).

The spelling of 10202022000221 in words is "ten trillion, two hundred two billion, twenty-two million, two hundred twenty-one", and thus it is an aban number.