100300021 has 8 divisors (see below), whose sum is σ = 102979584. Its totient is φ = 97643280.

The previous prime is 100300001. The next prime is 100300027. The reversal of 100300021 is 120003001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100300021 - 2¹⁵ = 100267253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100299977 and 100300013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100300027) 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, 3391 + ... + 14563.

It is an arithmetic number, because the mean of its divisors is an integer number (12872448).

Almost surely, 2^100300021 is an apocalyptic number.

It is an amenable number.

100300021 is a deficient number, since it is larger than the sum of its proper divisors (2679563).

100300021 is a wasteful number, since it uses less digits than its factorization.

100300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11411.

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

The square root of 100300021 is about 10014.9898152719. The cubic root of 100300021 is about 464.6226112841.

Adding to 100300021 its reverse (120003001), we get a palindrome (220303022).

The spelling of 100300021 in words is "one hundred million, three hundred thousand, twenty-one".