10200000222221 has 6 divisors (see below), whose sum is σ = 10765097187822. Its totient is φ = 9663158104920.

The previous prime is 10200000222211. The next prime is 10200000222227. The reversal of 10200000222221 is 12222200000201.

It can be written as a sum of positive squares in only one way, i.e., 6467611922500 + 3732388299721 = 2543150^2 + 1931939^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10200000222221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10200000222196 and 10200000222205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200000222227) 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 5 ways as a sum of consecutive naturals, for example, 14127423770 + ... + 14127424491.

It is an arithmetic number, because the mean of its divisors is an integer number (1794182864637).

Almost surely, 2^{10200000222221} is an apocalyptic number.

It is an amenable number.

10200000222221 is a deficient number, since it is larger than the sum of its proper divisors (565096965601).

10200000222221 is an equidigital number, since it uses as much as digits as its factorization.

10200000222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28254848299 (or 28254848280 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10200000222221 its reverse (12222200000201), we get a palindrome (22422200222422).

The spelling of 10200000222221 in words is "ten trillion, two hundred billion, two hundred twenty-two thousand, two hundred twenty-one".