221200000013 has 8 divisors (see below), whose sum is σ = 226111246848. Its totient is φ = 216297289264.

The previous prime is 221200000009. The next prime is 221200000031. The reversal of 221200000013 is 310000002122.

It is a happy number.

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 221200000013 - 2² = 221200000009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221200000033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2081606 + ... + 2185287.

It is an arithmetic number, because the mean of its divisors is an integer number (28263905856).

Almost surely, 2^221200000013 is an apocalyptic number.

It is an amenable number.

221200000013 is a deficient number, since it is larger than the sum of its proper divisors (4911246835).

221200000013 is a wasteful number, since it uses less digits than its factorization.

221200000013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268043.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 221200000013 its reverse (310000002122), we get a palindrome (531200002135).

The spelling of 221200000013 in words is "two hundred twenty-one billion, two hundred million, thirteen", and thus it is an aban number.