100221001323 has 16 divisors (see below), whose sum is σ = 144778905216. Its totient is φ = 61421351040.

The previous prime is 100221001319. The next prime is 100221001327. The reversal of 100221001323 is 323100122001.

It is an interprime number because it is at equal distance from previous prime (100221001319) and next prime (100221001327).

It is not a de Polignac number, because 100221001323 - 2² = 100221001319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100221001327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22848013 + ... + 22852398.

It is an arithmetic number, because the mean of its divisors is an integer number (9048681576).

Almost surely, 2^100221001323 is an apocalyptic number.

100221001323 is a deficient number, since it is larger than the sum of its proper divisors (44557903893).

100221001323 is a wasteful number, since it uses less digits than its factorization.

100221001323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45700474.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100221001323 its reverse (323100122001), we get a palindrome (423321123324).

The spelling of 100221001323 in words is "one hundred billion, two hundred twenty-one million, one thousand, three hundred twenty-three".