21104044040112 has 80 divisors (see below), whose sum is σ = 59480433460992. Its totient is φ = 6394584188160.

The previous prime is 21104044040059. The next prime is 21104044040159.

21104044040112 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4023738 + ... + 7641894.

Almost surely, 2^{21104044040112} is an apocalyptic number.

21104044040112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21104044040112 is an abundant number, since it is smaller than the sum of its proper divisors (38376389420880).

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

21104044040112 is a wasteful number, since it uses less digits than its factorization.

21104044040112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3629226 (or 3629220 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

It can be divided in two parts, 2110404 and 4040112, that added together give a palindrome (6150516).

The spelling of 21104044040112 in words is "twenty-one trillion, one hundred four billion, forty-four million, forty thousand, one hundred twelve".