211332123222 has 64 divisors (see below), whose sum is σ = 501406101504. Its totient is φ = 58643965440.

The previous prime is 211332123221. The next prime is 211332123229. The reversal of 211332123222 is 222321233112.

It is a super-2 number, since 2×211332123222² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 211332123192 and 211332123201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211332123221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2503798 + ... + 2586825.

It is an arithmetic number, because the mean of its divisors is an integer number (7834470336).

Almost surely, 2^211332123222 is an apocalyptic number.

211332123222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211332123222 is an abundant number, since it is smaller than the sum of its proper divisors (290073978282).

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

211332123222 is a wasteful number, since it uses less digits than its factorization.

211332123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090693.

The product of its digits is 1728, while the sum is 24.

Adding to 211332123222 its reverse (222321233112), we get a palindrome (433653356334).

The spelling of 211332123222 in words is "two hundred eleven billion, three hundred thirty-two million, one hundred twenty-three thousand, two hundred twenty-two".