211323122010 has 384 divisors, whose sum is σ = 757659861504. Its totient is φ = 39437383680.

The previous prime is 211323121979. The next prime is 211323122027. The reversal of 211323122010 is 10221323112.

211323122010 is a `hidden beast` number, since 21 + 132 + 312 + 201 + 0 = 666.

211323122010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3301632 + ... + 3365028.

It is an arithmetic number, because the mean of its divisors is an integer number (1973072556).

Almost surely, 2^211323122010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211323122010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378829930752).

211323122010 is an abundant number, since it is smaller than the sum of its proper divisors (546336739494).

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

211323122010 is a wasteful number, since it uses less digits than its factorization.

211323122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63478 (or 63475 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 211323122010 its reverse (10221323112), we get a palindrome (221544445122).

It can be divided in two parts, 211323 and 122010, that added together give a palindrome (333333).

The spelling of 211323122010 in words is "two hundred eleven billion, three hundred twenty-three million, one hundred twenty-two thousand, ten".