221331300013 has 8 divisors (see below), whose sum is σ = 224752676832. Its totient is φ = 217913391696.

The previous prime is 221331300011. The next prime is 221331300089. The reversal of 221331300013 is 310003133122.

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 221331300013 - 2¹ = 221331300011 is a prime.

It is a super-2 number, since 2×221331300013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221331300011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738370 + ... + 993907.

It is an arithmetic number, because the mean of its divisors is an integer number (28094084604).

Almost surely, 2^221331300013 is an apocalyptic number.

It is an amenable number.

221331300013 is a deficient number, since it is larger than the sum of its proper divisors (3421376819).

221331300013 is a wasteful number, since it uses less digits than its factorization.

221331300013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734251.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 221331300013 its reverse (310003133122), we get a palindrome (531334433135).

The spelling of 221331300013 in words is "two hundred twenty-one billion, three hundred thirty-one million, three hundred thousand, thirteen".