211422314311 has 16 divisors (see below), whose sum is σ = 238814561664. Its totient is φ = 185844374784.

The previous prime is 211422314309. The next prime is 211422314381. The reversal of 211422314311 is 113413224112.

It is a cyclic number.

It is not a de Polignac number, because 211422314311 - 2¹ = 211422314309 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 (211422314381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4653430 + ... + 4698643.

It is an arithmetic number, because the mean of its divisors is an integer number (14925910104).

Almost surely, 2^211422314311 is an apocalyptic number.

211422314311 is a deficient number, since it is larger than the sum of its proper divisors (27392247353).

211422314311 is a wasteful number, since it uses less digits than its factorization.

211422314311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9352170.

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

Adding to 211422314311 its reverse (113413224112), we get a palindrome (324835538423).

The spelling of 211422314311 in words is "two hundred eleven billion, four hundred twenty-two million, three hundred fourteen thousand, three hundred eleven".