1002220102221 has 8 divisors (see below), whose sum is σ = 1439085275040. Its totient is φ = 616750832112.

The previous prime is 1002220102183. The next prime is 1002220102229. The reversal of 1002220102221 is 1222010222001.

1002220102221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1002220102221 - 2¹⁷ = 1002219971149 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002220102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002220102229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12848975631 + ... + 12848975708.

It is an arithmetic number, because the mean of its divisors is an integer number (179885659380).

Almost surely, 2^{1002220102221} is an apocalyptic number.

It is an amenable number.

1002220102221 is a deficient number, since it is larger than the sum of its proper divisors (436865172819).

1002220102221 is a wasteful number, since it uses less digits than its factorization.

1002220102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25697951355.

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

Adding to 1002220102221 its reverse (1222010222001), we get a palindrome (2224230324222).

The spelling of 1002220102221 in words is "one trillion, two billion, two hundred twenty million, one hundred two thousand, two hundred twenty-one".