221330313011 has 8 divisors (see below), whose sum is σ = 228968110800. Its totient is φ = 213692896480.

The previous prime is 221330312977. The next prime is 221330313053. The reversal of 221330313011 is 110313033122.

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

It is a cyclic number.

It is not a de Polignac number, because 221330313011 - 2⁶ = 221330312947 is a prime.

It is a super-2 number, since 2×221330313011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221330303011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1592720 + ... + 1726098.

It is an arithmetic number, because the mean of its divisors is an integer number (28621013850).

Almost surely, 2^221330313011 is an apocalyptic number.

221330313011 is a deficient number, since it is larger than the sum of its proper divisors (7637797789).

221330313011 is a wasteful number, since it uses less digits than its factorization.

221330313011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190629.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 221330313011 its reverse (110313033122), we get a palindrome (331643346133).

The spelling of 221330313011 in words is "two hundred twenty-one billion, three hundred thirty million, three hundred thirteen thousand, eleven".