211043022120 has 384 divisors, whose sum is σ = 825956352000. Its totient is φ = 45653829120.

The previous prime is 211043021993. The next prime is 211043022161. The reversal of 211043022120 is 21220340112.

It is a happy number.

211043022120 is a `hidden beast` number, since 2 + 1 + 10 + 430 + 221 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211043022093 and 211043022102.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 73302841 + ... + 73305719.

It is an arithmetic number, because the mean of its divisors is an integer number (2150928000).

Almost surely, 2^211043022120 is an apocalyptic number.

211043022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211043022120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412978176000).

211043022120 is an abundant number, since it is smaller than the sum of its proper divisors (614913329880).

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

211043022120 is a wasteful number, since it uses less digits than its factorization.

211043022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4453 (or 4446 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 211043022120 its reverse (21220340112), we get a palindrome (232263362232).

The spelling of 211043022120 in words is "two hundred eleven billion, forty-three million, twenty-two thousand, one hundred twenty".