213222022332133 has 4 divisors (see below), whose sum is σ = 213224359640940. Its totient is φ = 213219685023328.

The previous prime is 213222022332131. The next prime is 213222022332199. The reversal of 213222022332133 is 331233220222312.

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 210346087975969 + 2875934356164 = 14503313^2 + 1695858^2 .

It is a cyclic number.

It is not a de Polignac number, because 213222022332133 - 2¹ = 213222022332131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213222022332095 and 213222022332104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213222022332131) 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, 1168517560 + ... + 1168700017.

It is an arithmetic number, because the mean of its divisors is an integer number (53306089910235).

Almost surely, 2^{213222022332133} is an apocalyptic number.

It is an amenable number.

213222022332133 is a deficient number, since it is larger than the sum of its proper divisors (2337308807).

213222022332133 is an equidigital number, since it uses as much as digits as its factorization.

213222022332133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337308806.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 213222022332133 its reverse (331233220222312), we get a palindrome (544455242554445).

The spelling of 213222022332133 in words is "two hundred thirteen trillion, two hundred twenty-two billion, twenty-two million, three hundred thirty-two thousand, one hundred thirty-three".