221401303102 has 32 divisors (see below), whose sum is σ = 390697477632. Its totient is φ = 92124605664.

The previous prime is 221401303093. The next prime is 221401303129. The reversal of 221401303102 is 201303104122.

It is a happy number.

221401303102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 221401303102.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1000593 + ... + 1201660.

It is an arithmetic number, because the mean of its divisors is an integer number (12209296176).

Almost surely, 2^221401303102 is an apocalyptic number.

221401303102 is a deficient number, since it is larger than the sum of its proper divisors (169296174530).

221401303102 is a wasteful number, since it uses less digits than its factorization.

221401303102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202472.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 221401303102 its reverse (201303104122), we get a palindrome (422704407224).

The spelling of 221401303102 in words is "two hundred twenty-one billion, four hundred one million, three hundred three thousand, one hundred two".