221313401302 has 16 divisors (see below), whose sum is σ = 379482798240. Its totient is φ = 94826501568.

The previous prime is 221313401263. The next prime is 221313401303. The reversal of 221313401302 is 203104313122.

221313401302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221313401303) by changing a digit.

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, 1779277 + ... + 1899592.

It is an arithmetic number, because the mean of its divisors is an integer number (23717674890).

Almost surely, 2^221313401302 is an apocalyptic number.

221313401302 is a deficient number, since it is larger than the sum of its proper divisors (158169396938).

221313401302 is a wasteful number, since it uses less digits than its factorization.

221313401302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683175.

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

Adding to 221313401302 its reverse (203104313122), we get a palindrome (424417714424).

The spelling of 221313401302 in words is "two hundred twenty-one billion, three hundred thirteen million, four hundred one thousand, three hundred two".