21114140404 has 12 divisors (see below), whose sum is σ = 42228280864. Its totient is φ = 9048917304.

The previous prime is 21114140401. The next prime is 21114140423. The reversal of 21114140404 is 40404141112.

21114140404 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21114140401) 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, 377038194 + ... + 377038249.

Almost surely, 2^21114140404 is an apocalyptic number.

It is an amenable number.

21114140404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21114140404 is a wasteful number, since it uses less digits than its factorization.

21114140404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754076454 (or 754076452 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 21114140404 its reverse (40404141112), we get a palindrome (61518281516).

The spelling of 21114140404 in words is "twenty-one billion, one hundred fourteen million, one hundred forty thousand, four hundred four".