100421311 has 8 divisors (see below), whose sum is σ = 102337200. Its totient is φ = 98514240.

The previous prime is 100421303. The next prime is 100421317. The reversal of 100421311 is 113124001.

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 100421311 - 2³ = 100421303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100421291 and 100421300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100421317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23595 + ... + 27523.

It is an arithmetic number, because the mean of its divisors is an integer number (12792150).

Almost surely, 2^100421311 is an apocalyptic number.

100421311 is a deficient number, since it is larger than the sum of its proper divisors (1915889).

100421311 is an equidigital number, since it uses as much as digits as its factorization.

100421311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4409.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 100421311 is about 10021.0434087474. The cubic root of 100421311 is about 464.8098208693.

Adding to 100421311 its reverse (113124001), we get a palindrome (213545312).

The spelling of 100421311 in words is "one hundred million, four hundred twenty-one thousand, three hundred eleven".