32220121121 has 4 divisors (see below), whose sum is σ = 32232088212. Its totient is φ = 32208154032.

The previous prime is 32220121103. The next prime is 32220121123. The reversal of 32220121121 is 12112102223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21812040721 + 10408080400 = 147689^2 + 102020^2 .

It is a cyclic number.

It is not a de Polignac number, because 32220121121 - 2³⁴ = 15040251937 is a prime.

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 32220121121.

It is not an unprimeable number, because it can be changed into a prime (32220121123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5979506 + ... + 5984891.

It is an arithmetic number, because the mean of its divisors is an integer number (8058022053).

Almost surely, 2^32220121121 is an apocalyptic number.

It is an amenable number.

32220121121 is a deficient number, since it is larger than the sum of its proper divisors (11967091).

32220121121 is a wasteful number, since it uses less digits than its factorization.

32220121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11967090.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 32220121121 its reverse (12112102223), we get a palindrome (44332223344).

The spelling of 32220121121 in words is "thirty-two billion, two hundred twenty million, one hundred twenty-one thousand, one hundred twenty-one".