211323021223232 has 28 divisors (see below), whose sum is σ = 423055130167956. Its totient is φ = 104726452992000.

The previous prime is 211323021223229. The next prime is 211323021223343. The reversal of 211323021223232 is 232322120323112.

It can be written as a sum of positive squares in 2 ways, for example, as 17508065221696 + 193814956001536 = 4184264^2 + 13921744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211323021223195 and 211323021223204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14610268019 + ... + 14610282482.

Almost surely, 2^{211323021223232} is an apocalyptic number.

It is an amenable number.

211323021223232 is an abundant number, since it is smaller than the sum of its proper divisors (211732108944724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211323021223232 is a wasteful number, since it uses less digits than its factorization.

211323021223232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29220550626 (or 29220550616 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 211323021223232 its reverse (232322120323112), we get a palindrome (443645141546344).

The spelling of 211323021223232 in words is "two hundred eleven trillion, three hundred twenty-three billion, twenty-one million, two hundred twenty-three thousand, two hundred thirty-two".