211444223332 has 12 divisors (see below), whose sum is σ = 371944632556. Its totient is φ = 105174328320.

The previous prime is 211444223293. The next prime is 211444223387. The reversal of 211444223332 is 233322444112.

211444223332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 108514901056 + 102929322276 = 329416^2 + 320826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211444223294 and 211444223303.

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, 136944969 + ... + 136946512.

Almost surely, 2^211444223332 is an apocalyptic number.

It is an amenable number.

211444223332 is a deficient number, since it is larger than the sum of its proper divisors (160500409224).

211444223332 is a wasteful number, since it uses less digits than its factorization.

211444223332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273891678 (or 273891676 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

Adding to 211444223332 its reverse (233322444112), we get a palindrome (444766667444).

The spelling of 211444223332 in words is "two hundred eleven billion, four hundred forty-four million, two hundred twenty-three thousand, three hundred thirty-two".