221034115011 has 8 divisors (see below), whose sum is σ = 294869006080. Its totient is φ = 147277650312.

The previous prime is 221034115009. The next prime is 221034115067. The reversal of 221034115011 is 110511430122.

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

It is not a de Polignac number, because 221034115011 - 2¹ = 221034115009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221034115811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19600015 + ... + 19611288.

It is an arithmetic number, because the mean of its divisors is an integer number (36858625760).

Almost surely, 2^221034115011 is an apocalyptic number.

221034115011 is a deficient number, since it is larger than the sum of its proper divisors (73834891069).

221034115011 is a wasteful number, since it uses less digits than its factorization.

221034115011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39213185.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 221034115011 its reverse (110511430122), we get a palindrome (331545545133).

The spelling of 221034115011 in words is "two hundred twenty-one billion, thirty-four million, one hundred fifteen thousand, eleven".