100221301 has 4 divisors (see below), whose sum is σ = 100272172. Its totient is φ = 100170432.

The previous prime is 100221299. The next prime is 100221311. The reversal of 100221301 is 103122001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103122001 = 6337 ⋅16273.

It can be written as a sum of positive squares in 2 ways, for example, as 45239076 + 54982225 = 6726^2 + 7415^2 .

It is a cyclic number.

It is not a de Polignac number, because 100221301 - 2¹ = 100221299 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 (100221311) 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, 22356 + ... + 26461.

It is an arithmetic number, because the mean of its divisors is an integer number (25068043).

Almost surely, 2^100221301 is an apocalyptic number.

It is an amenable number.

100221301 is a deficient number, since it is larger than the sum of its proper divisors (50871).

100221301 is an equidigital number, since it uses as much as digits as its factorization.

100221301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50870.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 100221301 is about 10011.0589349978. The cubic root of 100221301 is about 464.5010271795.

Adding to 100221301 its reverse (103122001), we get a palindrome (203343302).

The spelling of 100221301 in words is "one hundred million, two hundred twenty-one thousand, three hundred one".