221303113402 has 16 divisors (see below), whose sum is σ = 379468657152. Its totient is φ = 94821218640.

The previous prime is 221303113397. The next prime is 221303113457. The reversal of 221303113402 is 204311303122.

221303113402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1854474 + ... + 1970197.

It is an arithmetic number, because the mean of its divisors is an integer number (23716791072).

Almost surely, 2^221303113402 is an apocalyptic number.

221303113402 is a deficient number, since it is larger than the sum of its proper divisors (158165543750).

221303113402 is a wasteful number, since it uses less digits than its factorization.

221303113402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828813.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 221303113402 its reverse (204311303122), we get a palindrome (425614416524).

The spelling of 221303113402 in words is "two hundred twenty-one billion, three hundred three million, one hundred thirteen thousand, four hundred two".