221424304102 has 8 divisors (see below), whose sum is σ = 334251975456. Its totient is φ = 110006978952.

The previous prime is 221424304093. The next prime is 221424304109. The reversal of 221424304102 is 201403424122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221424304109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352586158 + ... + 352586785.

It is an arithmetic number, because the mean of its divisors is an integer number (41781496932).

Almost surely, 2^221424304102 is an apocalyptic number.

221424304102 is a deficient number, since it is larger than the sum of its proper divisors (112827671354).

221424304102 is a wasteful number, since it uses less digits than its factorization.

221424304102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705173102.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 221424304102 its reverse (201403424122), we get a palindrome (422827728224).

The spelling of 221424304102 in words is "two hundred twenty-one billion, four hundred twenty-four million, three hundred four thousand, one hundred two".