221032112011 has 8 divisors (see below), whose sum is σ = 223801645680. Its totient is φ = 218275612128.

The previous prime is 221032112009. The next prime is 221032112017. The reversal of 221032112011 is 110211230122.

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

It is a cyclic number.

It is not a de Polignac number, because 221032112011 - 2¹ = 221032112009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221032112017) 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, 3224316 + ... + 3292153.

It is an arithmetic number, because the mean of its divisors is an integer number (27975205710).

Almost surely, 2^221032112011 is an apocalyptic number.

221032112011 is a deficient number, since it is larger than the sum of its proper divisors (2769533669).

221032112011 is a wasteful number, since it uses less digits than its factorization.

221032112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6516893.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 221032112011 its reverse (110211230122), we get a palindrome (331243342133).

The spelling of 221032112011 in words is "two hundred twenty-one billion, thirty-two million, one hundred twelve thousand, eleven".