10000021104 has 80 divisors (see below), whose sum is σ = 28748532000. Its totient is φ = 3328141824.

The previous prime is 10000021103. The next prime is 10000021111. The reversal of 10000021104 is 40112000001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000021103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264372 + ... + 299820.

It is an arithmetic number, because the mean of its divisors is an integer number (359356650).

Almost surely, 2^10000021104 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 10000021104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14374266000).

10000021104 is an abundant number, since it is smaller than the sum of its proper divisors (18748510896).

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

10000021104 is a wasteful number, since it uses less digits than its factorization.

10000021104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36119 (or 36107 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10000021104 its reverse (40112000001), we get a palindrome (50112021105).

It can be divided in two parts, 100000 and 21104, that added together give a square (121104 = 348²).

The spelling of 10000021104 in words is "ten billion, twenty-one thousand, one hundred four".