221334034311 has 24 divisors (see below), whose sum is σ = 346925635056. Its totient is φ = 135165813120.

The previous prime is 221334034297. The next prime is 221334034477. The reversal of 221334034311 is 113430433122.

It is a happy number.

221334034311 is a `hidden beast` number, since 2 + 2 + 1 + 3 + 340 + 3 + 4 + 311 = 666.

It is not a de Polignac number, because 221334034311 - 2⁵ = 221334034279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221334034111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7205070 + ... + 7235723.

It is an arithmetic number, because the mean of its divisors is an integer number (14455234794).

Almost surely, 2^221334034311 is an apocalyptic number.

221334034311 is a deficient number, since it is larger than the sum of its proper divisors (125591600745).

221334034311 is a wasteful number, since it uses less digits than its factorization.

221334034311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14440943 (or 14440940 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 221334034311 its reverse (113430433122), we get a palindrome (334764467433).

The spelling of 221334034311 in words is "two hundred twenty-one billion, three hundred thirty-four million, thirty-four thousand, three hundred eleven".