211330122 has 48 divisors (see below), whose sum is σ = 456651360. Its totient is φ = 65155104.

The previous prime is 211330121. The next prime is 211330177. The reversal of 211330122 is 221033112.

It is not an unprimeable number, because it can be changed into a prime (211330121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92004 + ... + 94272.

It is an arithmetic number, because the mean of its divisors is an integer number (9513570).

Almost surely, 2^211330122 is an apocalyptic number.

211330122 is an abundant number, since it is smaller than the sum of its proper divisors (245321238).

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

211330122 is a wasteful number, since it uses less digits than its factorization.

211330122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355 (or 2336 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 211330122 is about 14537.1978730428. The cubic root of 211330122 is about 595.6444980656.

Adding to 211330122 its reverse (221033112), we get a palindrome (432363234).

The spelling of 211330122 in words is "two hundred eleven million, three hundred thirty thousand, one hundred twenty-two".