211221330112333 has 4 divisors (see below), whose sum is σ = 212833706678208. Its totient is φ = 209608953546460.

The previous prime is 211221330112253. The next prime is 211221330112393. The reversal of 211221330112333 is 333211033122112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211221330112333 is a prime.

It is a super-2 number, since 2×211221330112333² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211221330112393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806188282741 + ... + 806188283002.

It is an arithmetic number, because the mean of its divisors is an integer number (53208426669552).

Almost surely, 2^{211221330112333} is an apocalyptic number.

It is an amenable number.

211221330112333 is a deficient number, since it is larger than the sum of its proper divisors (1612376565875).

211221330112333 is a wasteful number, since it uses less digits than its factorization.

211221330112333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612376565874.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 211221330112333 its reverse (333211033122112), we get a palindrome (544432363234445).

The spelling of 211221330112333 in words is "two hundred eleven trillion, two hundred twenty-one billion, three hundred thirty million, one hundred twelve thousand, three hundred thirty-three".