221343441213 has 8 divisors (see below), whose sum is σ = 295326872800. Its totient is φ = 147461151888.

The previous prime is 221343441211. The next prime is 221343441223. The reversal of 221343441213 is 312144343122.

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

It is not a de Polignac number, because 221343441213 - 2¹ = 221343441211 is a prime.

It is a super-2 number, since 2×221343441213² (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 (221343441211) 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, 25280458 + ... + 25289211.

It is an arithmetic number, because the mean of its divisors is an integer number (36915859100).

Almost surely, 2^221343441213 is an apocalyptic number.

It is an amenable number.

221343441213 is a deficient number, since it is larger than the sum of its proper divisors (73983431587).

221343441213 is a wasteful number, since it uses less digits than its factorization.

221343441213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50571131.

The product of its digits is 13824, while the sum is 30.

Adding to 221343441213 its reverse (312144343122), we get a palindrome (533487784335).

The spelling of 221343441213 in words is "two hundred twenty-one billion, three hundred forty-three million, four hundred forty-one thousand, two hundred thirteen".