100021030 has 16 divisors (see below), whose sum is σ = 190628640. Its totient is φ = 37654912.

The previous prime is 100021003. The next prime is 100021039. The reversal of 100021030 is 30120001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294010 + ... + 294349.

It is an arithmetic number, because the mean of its divisors is an integer number (11914290).

Almost surely, 2^100021030 is an apocalyptic number.

100021030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100021030 is a deficient number, since it is larger than the sum of its proper divisors (90607610).

100021030 is a wasteful number, since it uses less digits than its factorization.

100021030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588383.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 100021030 is about 10001.0514447232. The cubic root of 100021030 is about 464.1914186184.

Adding to 100021030 its reverse (30120001), we get a palindrome (130141031).

The spelling of 100021030 in words is "one hundred million, twenty-one thousand, thirty".