210103100 has 36 divisors (see below), whose sum is σ = 456939504. Its totient is φ = 83854080.

The previous prime is 210103099. The next prime is 210103109. The reversal of 210103100 is 1301012.

210103100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×210103100² = 88286625259220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210103109) 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, 48212 + ... + 52388.

It is an arithmetic number, because the mean of its divisors is an integer number (12692764).

Almost surely, 2^210103100 is an apocalyptic number.

210103100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210103100 is an abundant number, since it is smaller than the sum of its proper divisors (246836404).

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

210103100 is a wasteful number, since it uses less digits than its factorization.

210103100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4694 (or 4687 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 210103100 is about 14494.9335976402. The cubic root of 210103100 is about 594.4894521164.

Adding to 210103100 its reverse (1301012), we get a palindrome (211404112).

The spelling of 210103100 in words is "two hundred ten million, one hundred three thousand, one hundred".