221234343113 has 16 divisors (see below), whose sum is σ = 267749121024. Its totient is φ = 178450114560.

The previous prime is 221234343097. The next prime is 221234343133. The reversal of 221234343113 is 311343432122.

It is a cyclic number.

It is not a de Polignac number, because 221234343113 - 2⁴ = 221234343097 is a prime.

It is a super-2 number, since 2×221234343113² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (221234343133) 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, 762728 + ... + 1012038.

It is an arithmetic number, because the mean of its divisors is an integer number (16734320064).

Almost surely, 2^221234343113 is an apocalyptic number.

It is an amenable number.

221234343113 is a deficient number, since it is larger than the sum of its proper divisors (46514777911).

221234343113 is a wasteful number, since it uses less digits than its factorization.

221234343113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256792.

The product of its digits is 10368, while the sum is 29.

Adding to 221234343113 its reverse (311343432122), we get a palindrome (532577775235).

The spelling of 221234343113 in words is "two hundred twenty-one billion, two hundred thirty-four million, three hundred forty-three thousand, one hundred thirteen".