221441013313 has 8 divisors (see below), whose sum is σ = 238829292968. Its totient is φ = 204103355904.

The previous prime is 221441013271. The next prime is 221441013341. The reversal of 221441013313 is 313310144122.

It can be written as a sum of positive squares in 4 ways, for example, as 28678745104 + 192762268209 = 169348^2 + 439047^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221441013313 is a prime.

It is a super-2 number, since 2×221441013313² (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 (221441013413) 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, 12646470 + ... + 12663967.

It is an arithmetic number, because the mean of its divisors is an integer number (29853661621).

Almost surely, 2^221441013313 is an apocalyptic number.

It is an amenable number.

221441013313 is a deficient number, since it is larger than the sum of its proper divisors (17388279655).

221441013313 is a wasteful number, since it uses less digits than its factorization.

221441013313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25311123.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 221441013313 its reverse (313310144122), we get a palindrome (534751157435).

The spelling of 221441013313 in words is "two hundred twenty-one billion, four hundred forty-one million, thirteen thousand, three hundred thirteen".