221002302122 has 8 divisors (see below), whose sum is σ = 378861089376. Its totient is φ = 94715272332.

The previous prime is 221002302113. The next prime is 221002302133. The reversal of 221002302122 is 221203200122.

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

It is a self number, because there is not a number n which added to its sum of digits gives 221002302122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7892939348 + ... + 7892939375.

It is an arithmetic number, because the mean of its divisors is an integer number (47357636172).

Almost surely, 2^221002302122 is an apocalyptic number.

221002302122 is a deficient number, since it is larger than the sum of its proper divisors (157858787254).

221002302122 is a wasteful number, since it uses less digits than its factorization.

221002302122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15785878732.

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

Adding to 221002302122 its reverse (221203200122), we get a palindrome (442205502244).

The spelling of 221002302122 in words is "two hundred twenty-one billion, two million, three hundred two thousand, one hundred twenty-two".