221302122202 has 16 divisors (see below), whose sum is σ = 379827262080. Its totient is φ = 94730717808.

The previous prime is 221302122163. The next prime is 221302122289. The reversal of 221302122202 is 202221203122.

221302122202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221302122202² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221302122202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9408573 + ... + 9432064.

It is an arithmetic number, because the mean of its divisors is an integer number (23739203880).

Almost surely, 2^221302122202 is an apocalyptic number.

221302122202 is a deficient number, since it is larger than the sum of its proper divisors (158525139878).

221302122202 is a wasteful number, since it uses less digits than its factorization.

221302122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18841485.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 221302122202 its reverse (202221203122), we get a palindrome (423523325324).

The spelling of 221302122202 in words is "two hundred twenty-one billion, three hundred two million, one hundred twenty-two thousand, two hundred two".