211122411343 has 4 divisors (see below), whose sum is σ = 211124111920. Its totient is φ = 211120710768.

The previous prime is 211122411301. The next prime is 211122411361. The reversal of 211122411343 is 343114221112.

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 211122411343 - 2²¹ = 211120314191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122411043) 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, 648030 + ... + 917707.

It is an arithmetic number, because the mean of its divisors is an integer number (52781027980).

Almost surely, 2^211122411343 is an apocalyptic number.

211122411343 is a deficient number, since it is larger than the sum of its proper divisors (1700577).

211122411343 is a wasteful number, since it uses less digits than its factorization.

211122411343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700576.

The product of its digits is 1152, while the sum is 25.

Adding to 211122411343 its reverse (343114221112), we get a palindrome (554236632455).

The spelling of 211122411343 in words is "two hundred eleven billion, one hundred twenty-two million, four hundred eleven thousand, three hundred forty-three".