100221102 has 12 divisors (see below), whose sum is σ = 217145760. Its totient is φ = 33407028.

The previous prime is 100221101. The next prime is 100221131. The reversal of 100221102 is 201122001.

It is a super-3 number, since 3×100221102³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2783902 + ... + 2783937.

It is an arithmetic number, because the mean of its divisors is an integer number (18095480).

Almost surely, 2^100221102 is an apocalyptic number.

100221102 is an abundant number, since it is smaller than the sum of its proper divisors (116924658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100221102 is a wasteful number, since it uses less digits than its factorization.

100221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5567847 (or 5567844 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 100221102 is about 10011.0489959844. The cubic root of 100221102 is about 464.5007197407.

Adding to 100221102 its reverse (201122001), we get a palindrome (301343103).

The spelling of 100221102 in words is "one hundred million, two hundred twenty-one thousand, one hundred two".