211242314443 has 8 divisors (see below), whose sum is σ = 213432881312. Its totient is φ = 209052009216.

The previous prime is 211242314429. The next prime is 211242314461. The reversal of 211242314443 is 344413242112.

It is a happy number.

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 211242314443 - 2¹⁷ = 211242183371 is a prime.

It is a super-2 number, since 2×211242314443² (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 (211242315443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1845346 + ... + 1956472.

It is an arithmetic number, because the mean of its divisors is an integer number (26679110164).

Almost surely, 2^211242314443 is an apocalyptic number.

211242314443 is a deficient number, since it is larger than the sum of its proper divisors (2190566869).

211242314443 is a wasteful number, since it uses less digits than its factorization.

211242314443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130821.

The product of its digits is 18432, while the sum is 31.

Adding to 211242314443 its reverse (344413242112), we get a palindrome (555655556555).

The spelling of 211242314443 in words is "two hundred eleven billion, two hundred forty-two million, three hundred fourteen thousand, four hundred forty-three".