221000122220002 has 8 divisors (see below), whose sum is σ = 331561492793856. Its totient is φ = 110479624622052.

The previous prime is 221000122219991. The next prime is 221000122220011. The reversal of 221000122220002 is 200022221000122.

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

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, 10218230458 + ... + 10218252085.

It is an arithmetic number, because the mean of its divisors is an integer number (41445186599232).

Almost surely, 2^{221000122220002} is an apocalyptic number.

221000122220002 is a deficient number, since it is larger than the sum of its proper divisors (110561370573854).

221000122220002 is a wasteful number, since it uses less digits than its factorization.

221000122220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20436487952.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 221000122220002 its reverse (200022221000122), we get a palindrome (421022343220124).

The spelling of 221000122220002 in words is "two hundred twenty-one trillion, one hundred twenty-two million, two hundred twenty thousand, two".