221002220002 has 8 divisors (see below), whose sum is σ = 345916518336. Its totient is φ = 105696713892.

The previous prime is 221002219987. The next prime is 221002220051. The reversal of 221002220002 is 200022200122.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2402197998 + ... + 2402198089.

It is an arithmetic number, because the mean of its divisors is an integer number (43239564792).

Almost surely, 2^221002220002 is an apocalyptic number.

221002220002 is a deficient number, since it is larger than the sum of its proper divisors (124914298334).

221002220002 is a wasteful number, since it uses less digits than its factorization.

221002220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804396112.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 221002220002 its reverse (200022200122), we get a palindrome (421024420124).

The spelling of 221002220002 in words is "two hundred twenty-one billion, two million, two hundred twenty thousand, two".