100021012204 has 12 divisors (see below), whose sum is σ = 175056450184. Its totient is φ = 50004883584.

The previous prime is 100021012199. The next prime is 100021012207. The reversal of 100021012204 is 402210120001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100021012207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365477 + ... + 1436860.

Almost surely, 2^100021012204 is an apocalyptic number.

It is an amenable number.

100021012204 is a deficient number, since it is larger than the sum of its proper divisors (75035437980).

100021012204 is a wasteful number, since it uses less digits than its factorization.

100021012204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811264 (or 2811262 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100021012204 its reverse (402210120001), we get a palindrome (502231132205).

The spelling of 100021012204 in words is "one hundred billion, twenty-one million, twelve thousand, two hundred four".