100021301 has 4 divisors (see below), whose sum is σ = 105285600. Its totient is φ = 94757004.

The previous prime is 100021297. The next prime is 100021303. The reversal of 100021301 is 103120001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100021301 - 2² = 100021297 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2632121 + ... + 2632158.

It is an arithmetic number, because the mean of its divisors is an integer number (26321400).

Almost surely, 2^100021301 is an apocalyptic number.

It is an amenable number.

100021301 is a deficient number, since it is larger than the sum of its proper divisors (5264299).

100021301 is an equidigital number, since it uses as much as digits as its factorization.

100021301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5264298.

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

The square root of 100021301 is about 10001.0649932895. The cubic root of 100021301 is about 464.1918378494.

Adding to 100021301 its reverse (103120001), we get a palindrome (203141302).

The spelling of 100021301 in words is "one hundred million, twenty-one thousand, three hundred one".