221103320002 has 4 divisors (see below), whose sum is σ = 331654980006. Its totient is φ = 110551660000.

The previous prime is 221103319973. The next prime is 221103320027. The reversal of 221103320002 is 200023301122.

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., 130856551081 + 90246768921 = 361741^2 + 300411^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55275829999 + ... + 55275830002.

Almost surely, 2^221103320002 is an apocalyptic number.

221103320002 is a deficient number, since it is larger than the sum of its proper divisors (110551660004).

221103320002 is a wasteful number, since it uses less digits than its factorization.

221103320002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110551660003.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 221103320002 its reverse (200023301122), we get a palindrome (421126621124).

The spelling of 221103320002 in words is "two hundred twenty-one billion, one hundred three million, three hundred twenty thousand, two".