221013320011 has 16 divisors (see below), whose sum is σ = 241571338848. Its totient is φ = 200533196800.

The previous prime is 221013319997. The next prime is 221013320053. The reversal of 221013320011 is 110023310122.

It is a cyclic number.

It is not a de Polignac number, because 221013320011 - 2⁵ = 221013319979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221013320711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29730351 + ... + 29737783.

It is an arithmetic number, because the mean of its divisors is an integer number (15098208678).

Almost surely, 2^221013320011 is an apocalyptic number.

221013320011 is a deficient number, since it is larger than the sum of its proper divisors (20558018837).

221013320011 is a wasteful number, since it uses less digits than its factorization.

221013320011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12302.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 221013320011 its reverse (110023310122), we get a palindrome (331036630133).

The spelling of 221013320011 in words is "two hundred twenty-one billion, thirteen million, three hundred twenty thousand, eleven".