100001111004 has 96 divisors (see below), whose sum is σ = 261271080000. Its totient is φ = 33075883008.

The previous prime is 100001110969. The next prime is 100001111027. The reversal of 100001111004 is 400111100001.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19195152 + ... + 19200360.

It is an arithmetic number, because the mean of its divisors is an integer number (2721573750).

Almost surely, 2^100001111004 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 100001111004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130635540000).

100001111004 is an abundant number, since it is smaller than the sum of its proper divisors (161269968996).

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

100001111004 is a wasteful number, since it uses less digits than its factorization.

100001111004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6564 (or 6556 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100001111004 its reverse (400111100001), we get a palindrome (500112211005).

The spelling of 100001111004 in words is "one hundred billion, one million, one hundred eleven thousand, four".