211322104 has 96 divisors (see below), whose sum is σ = 514026000. Its totient is φ = 80704512.

The previous prime is 211322063. The next prime is 211322141. The reversal of 211322104 is 401223112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125782 + ... + 127450.

Almost surely, 2^211322104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211322104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257013000).

211322104 is an abundant number, since it is smaller than the sum of its proper divisors (302703896).

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

211322104 is a wasteful number, since it uses less digits than its factorization.

211322104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725 (or 1714 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 211322104 is about 14536.9220951342. The cubic root of 211322104 is about 595.6369649259.

Adding to 211322104 its reverse (401223112), we get a palindrome (612545216).

The spelling of 211322104 in words is "two hundred eleven million, three hundred twenty-two thousand, one hundred four".