211003343121 has 8 divisors (see below), whose sum is σ = 291039094080. Its totient is φ = 135818243792.

The previous prime is 211003343119. The next prime is 211003343153. The reversal of 211003343121 is 121343300112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211003343121 - 2¹ = 211003343119 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211003343021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212662805 + ... + 1212662978.

It is an arithmetic number, because the mean of its divisors is an integer number (36379886760).

Almost surely, 2^211003343121 is an apocalyptic number.

It is an amenable number.

211003343121 is a deficient number, since it is larger than the sum of its proper divisors (80035750959).

211003343121 is a wasteful number, since it uses less digits than its factorization.

211003343121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425325815.

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

Adding to 211003343121 its reverse (121343300112), we get a palindrome (332346643233).

The spelling of 211003343121 in words is "two hundred eleven billion, three million, three hundred forty-three thousand, one hundred twenty-one".