100221012102 has 16 divisors (see below), whose sum is σ = 201273736752. Its totient is φ = 33268385280.

The previous prime is 100221012079. The next prime is 100221012103. The reversal of 100221012102 is 201210122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221012103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34653123 + ... + 34656014.

It is an arithmetic number, because the mean of its divisors is an integer number (12579608547).

Almost surely, 2^100221012102 is an apocalyptic number.

100221012102 is an abundant number, since it is smaller than the sum of its proper divisors (101052724650).

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

100221012102 is a wasteful number, since it uses less digits than its factorization.

100221012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69309383.

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

Adding to 100221012102 its reverse (201210122001), we get a palindrome (301431134103).

The spelling of 100221012102 in words is "one hundred billion, two hundred twenty-one million, twelve thousand, one hundred two".