210230100 has 72 divisors (see below), whose sum is σ = 675859520. Its totient is φ = 56060640.

The previous prime is 210230099. The next prime is 210230113. The reversal of 210230100 is 1032012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 36232 + ... + 41631.

Almost surely, 2^210230100 is an apocalyptic number.

210230100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210230100 is an abundant number, since it is smaller than the sum of its proper divisors (465629420).

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

210230100 is a wasteful number, since it uses less digits than its factorization.

210230100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77886 (or 77873 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 210230100 is about 14499.3137768654. The cubic root of 210230100 is about 594.6092107065.

Adding to 210230100 its reverse (1032012), we get a palindrome (211262112).

The spelling of 210230100 in words is "two hundred ten million, two hundred thirty thousand, one hundred".