100322403221 has 8 divisors (see below), whose sum is σ = 102976613688. Its totient is φ = 97700760000.

The previous prime is 100322403217. The next prime is 100322403271. The reversal of 100322403221 is 122304223001.

It can be written as a sum of positive squares in 4 ways, for example, as 27675982321 + 72646420900 = 166361^2 + 269530^2 .

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 100322403221 - 2² = 100322403217 is a prime.

It is a super-2 number, since 2×100322403221² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100322403193 and 100322403202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100322403271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8135570 + ... + 8147891.

It is an arithmetic number, because the mean of its divisors is an integer number (12872076711).

Almost surely, 2^100322403221 is an apocalyptic number.

It is an amenable number.

100322403221 is a deficient number, since it is larger than the sum of its proper divisors (2654210467).

100322403221 is a wasteful number, since it uses less digits than its factorization.

100322403221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16283623.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 100322403221 its reverse (122304223001), we get a palindrome (222626626222).

The spelling of 100322403221 in words is "one hundred billion, three hundred twenty-two million, four hundred three thousand, two hundred twenty-one".