100411321 has 4 divisors (see below), whose sum is σ = 102746512. Its totient is φ = 98076132.

The previous prime is 100411319. The next prime is 100411327. The reversal of 100411321 is 123114001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 123114001 = 6703 ⋅18367.

It is a cyclic number.

It is not a de Polignac number, because 100411321 - 2¹ = 100411319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100411327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1167531 + ... + 1167616.

It is an arithmetic number, because the mean of its divisors is an integer number (25686628).

Almost surely, 2^100411321 is an apocalyptic number.

It is an amenable number.

100411321 is a deficient number, since it is larger than the sum of its proper divisors (2335191).

100411321 is an equidigital number, since it uses as much as digits as its factorization.

100411321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335190.

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

The square root of 100411321 is about 10020.5449452612. The cubic root of 100411321 is about 464.7944071287.

Adding to 100411321 its reverse (123114001), we get a palindrome (223525322).

The spelling of 100411321 in words is "one hundred million, four hundred eleven thousand, three hundred twenty-one".