32011113221 has 4 divisors (see below), whose sum is σ = 32321900832. Its totient is φ = 31700325612.

The previous prime is 32011113163. The next prime is 32011113241. The reversal of 32011113221 is 12231111023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12231111023 = 17 ⋅719477119.

It is a cyclic number.

It is not a de Polignac number, because 32011113221 - 2¹⁸ = 32010851077 is a prime.

It is a super-2 number, since 2×32011113221² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32011113221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32011113241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155393651 + ... + 155393856.

It is an arithmetic number, because the mean of its divisors is an integer number (8080475208).

Almost surely, 2^32011113221 is an apocalyptic number.

It is an amenable number.

32011113221 is a deficient number, since it is larger than the sum of its proper divisors (310787611).

32011113221 is a wasteful number, since it uses less digits than its factorization.

32011113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310787610.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 32011113221 its reverse (12231111023), we get a palindrome (44242224244).

The spelling of 32011113221 in words is "thirty-two billion, eleven million, one hundred thirteen thousand, two hundred twenty-one".