100221002012 has 6 divisors (see below), whose sum is σ = 175386753528. Its totient is φ = 50110501004.

The previous prime is 100221001961. The next prime is 100221002023. The reversal of 100221002012 is 210200122001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100221001984 and 100221002002.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12527625248 + ... + 12527625255.

It is an arithmetic number, because the mean of its divisors is an integer number (29231125588).

Almost surely, 2^100221002012 is an apocalyptic number.

It is an amenable number.

100221002012 is a deficient number, since it is larger than the sum of its proper divisors (75165751516).

100221002012 is a wasteful number, since it uses less digits than its factorization.

100221002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25055250507 (or 25055250505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100221002012 its reverse (210200122001), we get a palindrome (310421124013).

The spelling of 100221002012 in words is "one hundred billion, two hundred twenty-one million, two thousand, twelve".