10011122000221 has 2 divisors, whose sum is σ = 10011122000222. Its totient is φ = 10011122000220.

The previous prime is 10011122000189. The next prime is 10011122000237. The reversal of 10011122000221 is 12200022111001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9944719925625 + 66402074596 = 3153525^2 + 257686^2 .

It is a cyclic number.

It is not a de Polignac number, because 10011122000221 - 2⁵ = 10011122000189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10011122000281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005561000110 + 5005561000111.

It is an arithmetic number, because the mean of its divisors is an integer number (5005561000111).

Almost surely, 2^{10011122000221} is an apocalyptic number.

It is an amenable number.

10011122000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011122000221 is an equidigital number, since it uses as much as digits as its factorization.

10011122000221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10011122000221 its reverse (12200022111001), we get a palindrome (22211144111222).

The spelling of 10011122000221 in words is "ten trillion, eleven billion, one hundred twenty-two million, two hundred twenty-one", and thus it is an aban number.