103323212021 has 8 divisors (see below), whose sum is σ = 103399524864. Its totient is φ = 103246931920.

The previous prime is 103323211993. The next prime is 103323212023. The reversal of 103323212021 is 120212323301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103323212021 is a prime.

It is a super-2 number, since 2×103323212021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103323211984 and 103323212002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103323212023) 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, 10916231 + ... + 10925691.

It is an arithmetic number, because the mean of its divisors is an integer number (12924940608).

Almost surely, 2^103323212021 is an apocalyptic number.

It is an amenable number.

103323212021 is a deficient number, since it is larger than the sum of its proper divisors (76312843).

103323212021 is an equidigital number, since it uses as much as digits as its factorization.

103323212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16371.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 103323212021 its reverse (120212323301), we get a palindrome (223535535322).

The spelling of 103323212021 in words is "one hundred three billion, three hundred twenty-three million, two hundred twelve thousand, twenty-one".