211622221162 has 8 divisors (see below), whose sum is σ = 346290907392. Its totient is φ = 96191918700.

The previous prime is 211622221127. The next prime is 211622221171. The reversal of 211622221162 is 261122226112.

It is a happy number.

211622221162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 211622221162.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4809595914 + ... + 4809595957.

It is an arithmetic number, because the mean of its divisors is an integer number (43286363424).

Almost surely, 2^211622221162 is an apocalyptic number.

211622221162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211622221162 is a deficient number, since it is larger than the sum of its proper divisors (134668686230).

211622221162 is a wasteful number, since it uses less digits than its factorization.

211622221162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9619191884.

The product of its digits is 2304, while the sum is 28.

Adding to 211622221162 its reverse (261122226112), we get a palindrome (472744447274).

The spelling of 211622221162 in words is "two hundred eleven billion, six hundred twenty-two million, two hundred twenty-one thousand, one hundred sixty-two".