211234200 has 48 divisors (see below), whose sum is σ = 654827880. Its totient is φ = 56328960.

The previous prime is 211234193. The next prime is 211234201. The reversal of 211234200 is 2432112.

211234200 is digitally balanced in base 2, 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 (15).

It is a self number, because there is not a number n which added to its sum of digits gives 211234200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211234201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175429 + ... + 176628.

Almost surely, 2^211234200 is an apocalyptic number.

211234200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211234200 is an abundant number, since it is smaller than the sum of its proper divisors (443593680).

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

211234200 is a wasteful number, since it uses less digits than its factorization.

211234200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352076 (or 352067 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 211234200 is about 14533.8983070613. The cubic root of 211234200 is about 595.5543641120.

Adding to 211234200 its reverse (2432112), we get a palindrome (213666312).

The spelling of 211234200 in words is "two hundred eleven million, two hundred thirty-four thousand, two hundred".