210211104 has 24 divisors (see below), whose sum is σ = 551804400. Its totient is φ = 70070336.

The previous prime is 210211081. The next prime is 210211109. The reversal of 210211104 is 401112012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 210211104.

It is not an unprimeable number, because it can be changed into a prime (210211109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094754 + ... + 1094945.

It is an arithmetic number, because the mean of its divisors is an integer number (22991850).

Almost surely, 2^210211104 is an apocalyptic number.

210211104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

210211104 is an abundant number, since it is smaller than the sum of its proper divisors (341593296).

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

210211104 is a wasteful number, since it uses less digits than its factorization.

210211104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189712 (or 2189704 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 210211104 is about 14498.6586965829. The cubic root of 210211104 is about 594.5913009071.

Adding to 210211104 its reverse (401112012), we get a palindrome (611323116).

The spelling of 210211104 in words is "two hundred ten million, two hundred eleven thousand, one hundred four".