221302102004 has 48 divisors (see below), whose sum is σ = 420590585856. Its totient is φ = 101646316800.

The previous prime is 221302102001. The next prime is 221302102031. The reversal of 221302102004 is 400201203122.

221302102004 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 (221302102001) 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 15 ways as a sum of consecutive naturals, for example, 400124 + ... + 776339.

It is an arithmetic number, because the mean of its divisors is an integer number (8762303872).

Almost surely, 2^221302102004 is an apocalyptic number.

It is an amenable number.

221302102004 is a deficient number, since it is larger than the sum of its proper divisors (199288483852).

221302102004 is a wasteful number, since it uses less digits than its factorization.

221302102004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176576 (or 1176574 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 221302102004 its reverse (400201203122), we get a palindrome (621503305126).

The spelling of 221302102004 in words is "two hundred twenty-one billion, three hundred two million, one hundred two thousand, four".