221034011 has 8 divisors (see below), whose sum is σ = 253819200. Its totient is φ = 190364040.

The previous prime is 221033987. The next prime is 221034029. The reversal of 221034011 is 110430122.

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

It is not a de Polignac number, because 221034011 - 2⁶ = 221033947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221034211) 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, 528581 + ... + 528998.

It is an arithmetic number, because the mean of its divisors is an integer number (31727400).

Almost surely, 2^221034011 is an apocalyptic number.

221034011 is a deficient number, since it is larger than the sum of its proper divisors (32785189).

221034011 is a wasteful number, since it uses less digits than its factorization.

221034011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057609.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 221034011 is about 14867.2126170308. The cubic root of 221034011 is about 604.6253728803.

Adding to 221034011 its reverse (110430122), we get a palindrome (331464133).

The spelling of 221034011 in words is "two hundred twenty-one million, thirty-four thousand, eleven".