100322021 has 8 divisors (see below), whose sum is σ = 106010880. Its totient is φ = 94743792.

The previous prime is 100321997. The next prime is 100322029. The reversal of 100322021 is 120223001.

It is a happy number.

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 100322021 - 2¹⁴ = 100305637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100321993 and 100322011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100322029) 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 7 ways as a sum of consecutive naturals, for example, 25790 + ... + 29423.

It is an arithmetic number, because the mean of its divisors is an integer number (13251360).

Almost surely, 2^100322021 is an apocalyptic number.

It is an amenable number.

100322021 is a deficient number, since it is larger than the sum of its proper divisors (5688859).

100322021 is an equidigital number, since it uses as much as digits as its factorization.

100322021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55315.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 100322021 is about 10016.0881086380. The cubic root of 100322021 is about 464.6565792072.

Adding to 100322021 its reverse (120223001), we get a palindrome (220545022).

The spelling of 100322021 in words is "one hundred million, three hundred twenty-two thousand, twenty-one".