10102222110221 has 8 divisors (see below), whose sum is σ = 10207090246584. Its totient is φ = 9997368698880.

The previous prime is 10102222110199. The next prime is 10102222110223. The reversal of 10102222110221 is 12201122220101.

It can be written as a sum of positive squares in 4 ways, for example, as 5023824649321 + 5078397460900 = 2241389^2 + 2253530^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10102222110221 - 2⁴² = 5704175599117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10102222110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102222110223) 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, 2299340 + ... + 5048901.

It is an arithmetic number, because the mean of its divisors is an integer number (1275886280823).

Almost surely, 2^{10102222110221} is an apocalyptic number.

It is an amenable number.

10102222110221 is a deficient number, since it is larger than the sum of its proper divisors (104868136363).

10102222110221 is an equidigital number, since it uses as much as digits as its factorization.

10102222110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7362511.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10102222110221 its reverse (12201122220101), we get a palindrome (22303344330322).

The spelling of 10102222110221 in words is "ten trillion, one hundred two billion, two hundred twenty-two million, one hundred ten thousand, two hundred twenty-one".