100221327 has 16 divisors (see below), whose sum is σ = 154932480. Its totient is φ = 63908856.

The previous prime is 100221323. The next prime is 100221367. The reversal of 100221327 is 723122001.

It is not a de Polignac number, because 100221327 - 2² = 100221323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221323) 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, 80073 + ... + 81314.

It is an arithmetic number, because the mean of its divisors is an integer number (9683280).

Almost surely, 2^100221327 is an apocalyptic number.

100221327 is a deficient number, since it is larger than the sum of its proper divisors (54711153).

100221327 is a wasteful number, since it uses less digits than its factorization.

100221327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161419 (or 161413 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 100221327 is about 10011.0602335617. The cubic root of 100221327 is about 464.5010673474.

Adding to 100221327 its reverse (723122001), we get a palindrome (823343328).

The spelling of 100221327 in words is "one hundred million, two hundred twenty-one thousand, three hundred twenty-seven".