1010022200221 has 2 divisors, whose sum is σ = 1010022200222. Its totient is φ = 1010022200220.

The previous prime is 1010022200197. The next prime is 1010022200267. The reversal of 1010022200221 is 1220022200101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1000020000100 + 10002200121 = 1000010^2 + 100011^2 .

It is an emirp because it is prime and its reverse (1220022200101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1010022200221 - 2⁵ = 1010022200189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010022200321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505011100110 + 505011100111.

It is an arithmetic number, because the mean of its divisors is an integer number (505011100111).

Almost surely, 2^{1010022200221} is an apocalyptic number.

It is an amenable number.

1010022200221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010022200221 is an equidigital number, since it uses as much as digits as its factorization.

1010022200221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1010022200221 its reverse (1220022200101), we get a palindrome (2230044400322).

The spelling of 1010022200221 in words is "one trillion, ten billion, twenty-two million, two hundred thousand, two hundred twenty-one".