211121223203332 has 24 divisors (see below), whose sum is σ = 397978668546200. Its totient is φ = 97416965385216.

The previous prime is 211121223203309. The next prime is 211121223203417. The reversal of 211121223203332 is 233302322121112.

It can be written as a sum of positive squares in 4 ways, for example, as 478554034176 + 210642669169156 = 691776^2 + 14513534^2 .

It is a super-2 number, since 2×211121223203332² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211121223203332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491432607 + ... + 491862022.

Almost surely, 2^{211121223203332} is an apocalyptic number.

It is an amenable number.

211121223203332 is a deficient number, since it is larger than the sum of its proper divisors (186857445342868).

211121223203332 is a wasteful number, since it uses less digits than its factorization.

211121223203332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983298775 (or 983298773 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 211121223203332 its reverse (233302322121112), we get a palindrome (444423545324444).

The spelling of 211121223203332 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred twenty-three million, two hundred three thousand, three hundred thirty-two".