213302221033 has 6 divisors (see below), whose sum is σ = 234456160442. Its totient is φ = 193911109920.

The previous prime is 213302221031. The next prime is 213302221037. The reversal of 213302221033 is 330122203312.

It can be written as a sum of positive squares in only one way, i.e., 197266557609 + 16035663424 = 444147^2 + 126632^2 .

It is not a de Polignac number, because 213302221033 - 2¹ = 213302221031 is a prime.

It is a super-2 number, since 2×213302221033² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213302220995 and 213302221013.

It is not an unprimeable number, because it can be changed into a prime (213302221031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 881414016 + ... + 881414257.

Almost surely, 2^213302221033 is an apocalyptic number.

It is an amenable number.

213302221033 is a deficient number, since it is larger than the sum of its proper divisors (21153939409).

213302221033 is a wasteful number, since it uses less digits than its factorization.

213302221033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762828295 (or 1762828284 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 213302221033 its reverse (330122203312), we get a palindrome (543424424345).

The spelling of 213302221033 in words is "two hundred thirteen billion, three hundred two million, two hundred twenty-one thousand, thirty-three".