10022021002221 has 4 divisors (see below), whose sum is σ = 13362694669632. Its totient is φ = 6681347334812.

The previous prime is 10022021002207. The next prime is 10022021002261. The reversal of 10022021002221 is 12220012022001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10022021002221 - 2⁹ = 10022021001709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10022021002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022021002261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1670336833701 + ... + 1670336833706.

It is an arithmetic number, because the mean of its divisors is an integer number (3340673667408).

Almost surely, 2^{10022021002221} is an apocalyptic number.

It is an amenable number.

10022021002221 is a deficient number, since it is larger than the sum of its proper divisors (3340673667411).

10022021002221 is an equidigital number, since it uses as much as digits as its factorization.

10022021002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340673667410.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10022021002221 its reverse (12220012022001), we get a palindrome (22242033024222).

The spelling of 10022021002221 in words is "ten trillion, twenty-two billion, twenty-one million, two thousand, two hundred twenty-one".