211200421331 has 4 divisors (see below), whose sum is σ = 222316233000. Its totient is φ = 200084609664.

The previous prime is 211200421309. The next prime is 211200421351. The reversal of 211200421331 is 133124002112.

211200421331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211200421331 - 2³⁰ = 210126679507 is a prime.

It is a super-2 number, since 2×211200421331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211200421351) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5557905806 + ... + 5557905843.

It is an arithmetic number, because the mean of its divisors is an integer number (55579058250).

Almost surely, 2^211200421331 is an apocalyptic number.

211200421331 is a deficient number, since it is larger than the sum of its proper divisors (11115811669).

211200421331 is a wasteful number, since it uses less digits than its factorization.

211200421331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11115811668.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 211200421331 its reverse (133124002112), we get a palindrome (344324423443).

The spelling of 211200421331 in words is "two hundred eleven billion, two hundred million, four hundred twenty-one thousand, three hundred thirty-one".