221300220002 has 4 divisors (see below), whose sum is σ = 331950330006. Its totient is φ = 110650110000.

The previous prime is 221300219957. The next prime is 221300220007. The reversal of 221300220002 is 200022003122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 203717725201 + 17582494801 = 451351^2 + 132599^2 .

It is not an unprimeable number, because it can be changed into a prime (221300220007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55325054999 + ... + 55325055002.

Almost surely, 2^221300220002 is an apocalyptic number.

221300220002 is a deficient number, since it is larger than the sum of its proper divisors (110650110004).

221300220002 is a wasteful number, since it uses less digits than its factorization.

221300220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110650110003.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 221300220002 its reverse (200022003122), we get a palindrome (421322223124).

The spelling of 221300220002 in words is "two hundred twenty-one billion, three hundred million, two hundred twenty thousand, two".