211242214400311 has 4 divisors (see below), whose sum is σ = 223668227012112. Its totient is φ = 198816201788512.

The previous prime is 211242214400297. The next prime is 211242214400323. The reversal of 211242214400311 is 113004412242112.

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 211242214400311 - 2⁷ = 211242214400183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211242214400311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211242214404311) 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, 6213006305875 + ... + 6213006305908.

It is an arithmetic number, because the mean of its divisors is an integer number (55917056753028).

Almost surely, 2^{211242214400311} is an apocalyptic number.

211242214400311 is a deficient number, since it is larger than the sum of its proper divisors (12426012611801).

211242214400311 is a wasteful number, since it uses less digits than its factorization.

211242214400311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12426012611800.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 211242214400311 its reverse (113004412242112), we get a palindrome (324246626642423).

The spelling of 211242214400311 in words is "two hundred eleven trillion, two hundred forty-two billion, two hundred fourteen million, four hundred thousand, three hundred eleven".