211214411321 has 4 divisors (see below), whose sum is σ = 212733939600. Its totient is φ = 209694883044.

The previous prime is 211214411281. The next prime is 211214411333. The reversal of 211214411321 is 123114412112.

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 not a de Polignac number, because 211214411321 - 2⁶ = 211214411257 is a prime.

It is a super-2 number, since 2×211214411321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211214411351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759763931 + ... + 759764208.

It is an arithmetic number, because the mean of its divisors is an integer number (53183484900).

Almost surely, 2^211214411321 is an apocalyptic number.

It is an amenable number.

211214411321 is a deficient number, since it is larger than the sum of its proper divisors (1519528279).

211214411321 is a wasteful number, since it uses less digits than its factorization.

211214411321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519528278.

The product of its digits is 384, while the sum is 23.

Adding to 211214411321 its reverse (123114412112), we get a palindrome (334328823433).

The spelling of 211214411321 in words is "two hundred eleven billion, two hundred fourteen million, four hundred eleven thousand, three hundred twenty-one".