132211222021 has 4 divisors (see below), whose sum is σ = 132242167372. Its totient is φ = 132180276672.

The previous prime is 132211222009. The next prime is 132211222037. The reversal of 132211222021 is 120222112231.

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 26316950625 + 105894271396 = 162225^2 + 325414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132211222021 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 132211222021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132211222081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15466266 + ... + 15474811.

It is an arithmetic number, because the mean of its divisors is an integer number (33060541843).

Almost surely, 2^132211222021 is an apocalyptic number.

It is an amenable number.

132211222021 is a deficient number, since it is larger than the sum of its proper divisors (30945351).

132211222021 is an equidigital number, since it uses as much as digits as its factorization.

132211222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30945350.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 132211222021 its reverse (120222112231), we get a palindrome (252433334252).

The spelling of 132211222021 in words is "one hundred thirty-two billion, two hundred eleven million, two hundred twenty-two thousand, twenty-one".