211422424401 has 8 divisors (see below), whose sum is σ = 313218406560. Its totient is φ = 140948282916.

The previous prime is 211422424397. The next prime is 211422424439. The reversal of 211422424401 is 104424224112.

211422424401 is a `hidden beast` number, since 2 + 1 + 14 + 2 + 242 + 4 + 401 = 666.

It is not a de Polignac number, because 211422424401 - 2² = 211422424397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7830460163 = 211422424401 / (2 + 1 + 1 + 4 + 2 + 2 + 4 + 2 + 4 + 4 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (211422424471) 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 7 ways as a sum of consecutive naturals, for example, 3915230055 + ... + 3915230108.

It is an arithmetic number, because the mean of its divisors is an integer number (39152300820).

Almost surely, 2^211422424401 is an apocalyptic number.

It is an amenable number.

211422424401 is a deficient number, since it is larger than the sum of its proper divisors (101795982159).

211422424401 is an equidigital number, since it uses as much as digits as its factorization.

211422424401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7830460172 (or 7830460166 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 211422424401 its reverse (104424224112), we get a palindrome (315846648513).

The spelling of 211422424401 in words is "two hundred eleven billion, four hundred twenty-two million, four hundred twenty-four thousand, four hundred one".