211121033304 has 32 divisors (see below), whose sum is σ = 558849795120. Its totient is φ = 66234049536.

The previous prime is 211121033267. The next prime is 211121033309. The reversal of 211121033304 is 403330121112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121033309) 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 7 ways as a sum of consecutive naturals, for example, 258726349 + ... + 258727164.

Almost surely, 2^211121033304 is an apocalyptic number.

211121033304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

211121033304 is an abundant number, since it is smaller than the sum of its proper divisors (347728761816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211121033304 is a wasteful number, since it uses less digits than its factorization.

211121033304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517453539 (or 517453535 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211121033304 its reverse (403330121112), we get a palindrome (614451154416).

The spelling of 211121033304 in words is "two hundred eleven billion, one hundred twenty-one million, thirty-three thousand, three hundred four".