100221120102 has 64 divisors (see below), whose sum is σ = 215924197824. Its totient is φ = 30896087040.

The previous prime is 100221120061. The next prime is 100221120107. The reversal of 100221120102 is 201021122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221120107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6793278 + ... + 6808014.

It is an arithmetic number, because the mean of its divisors is an integer number (3373815591).

Almost surely, 2^100221120102 is an apocalyptic number.

100221120102 is an abundant number, since it is smaller than the sum of its proper divisors (115703077722).

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

100221120102 is a wasteful number, since it uses less digits than its factorization.

100221120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15913.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100221120102 its reverse (201021122001), we get a palindrome (301242242103).

The spelling of 100221120102 in words is "one hundred billion, two hundred twenty-one million, one hundred twenty thousand, one hundred two".