211214411340 has 48 divisors (see below), whose sum is σ = 591421098240. Its totient is φ = 56321867200.

The previous prime is 211214411333. The next prime is 211214411347. The reversal of 211214411340 is 43114412112.

It is a happy number.

211214411340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (211214411333) and next prime (211214411347).

It is a super-2 number, since 2×211214411340² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211214411340.

It is not an unprimeable number, because it can be changed into a prime (211214411347) 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 15 ways as a sum of consecutive naturals, for example, 2639641 + ... + 2718479.

It is an arithmetic number, because the mean of its divisors is an integer number (12321272880).

Almost surely, 2^211214411340 is an apocalyptic number.

211214411340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211214411340 is an abundant number, since it is smaller than the sum of its proper divisors (380206686900).

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

211214411340 is a wasteful number, since it uses less digits than its factorization.

211214411340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123502 (or 123500 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 211214411340 its reverse (43114412112), we get a palindrome (254328823452).

The spelling of 211214411340 in words is "two hundred eleven billion, two hundred fourteen million, four hundred eleven thousand, three hundred forty".