32121222011 has 4 divisors (see below), whose sum is σ = 32126493024. Its totient is φ = 32115951000.

The previous prime is 32121221971. The next prime is 32121222017. The reversal of 32121222011 is 11022212123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32121222011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32121222017) 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 3 ways as a sum of consecutive naturals, for example, 2626355 + ... + 2638556.

It is an arithmetic number, because the mean of its divisors is an integer number (8031623256).

Almost surely, 2^32121222011 is an apocalyptic number.

32121222011 is a deficient number, since it is larger than the sum of its proper divisors (5271013).

32121222011 is an equidigital number, since it uses as much as digits as its factorization.

32121222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5271012.

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

Adding to 32121222011 its reverse (11022212123), we get a palindrome (43143434134).

The spelling of 32121222011 in words is "thirty-two billion, one hundred twenty-one million, two hundred twenty-two thousand, eleven".