100021026204 has 240 divisors, whose sum is σ = 288819248256. Its totient is φ = 29932156800.

The previous prime is 100021026173. The next prime is 100021026251. The reversal of 100021026204 is 402620120001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 132127794 + ... + 132128550.

Almost surely, 2^100021026204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100021026204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144409624128).

100021026204 is an abundant number, since it is smaller than the sum of its proper divisors (188798222052).

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

100021026204 is a wasteful number, since it uses less digits than its factorization.

100021026204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198 (or 1187 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 100021026204 its reverse (402620120001), we get a palindrome (502641146205).

The spelling of 100021026204 in words is "one hundred billion, twenty-one million, twenty-six thousand, two hundred four".