100221002 has 16 divisors (see below), whose sum is σ = 172186560. Its totient is φ = 42857088.

The previous prime is 100220993. The next prime is 100221019. The reversal of 100221002 is 200122001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1127 + ... + 14202.

It is an arithmetic number, because the mean of its divisors is an integer number (10761660).

Almost surely, 2^100221002 is an apocalyptic number.

100221002 is a deficient number, since it is larger than the sum of its proper divisors (71965558).

100221002 is a wasteful number, since it uses less digits than its factorization.

100221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15805.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 100221002 is about 10011.0440015015. The cubic root of 100221002 is about 464.5005652486.

Adding to 100221002 its reverse (200122001), we get a palindrome (300343003).

Subtracting 100221002 from its reverse (200122001), we obtain a palindrome (99900999).

The spelling of 100221002 in words is "one hundred million, two hundred twenty-one thousand, two".