21113410424014 has 16 divisors (see below), whose sum is σ = 32442845533056. Its totient is φ = 10299133152000.

The previous prime is 21113410423999. The next prime is 21113410424027. The reversal of 21113410424014 is 41042401431112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8658019 + ... + 10825345.

It is an arithmetic number, because the mean of its divisors is an integer number (2027677845816).

Almost surely, 2^{21113410424014} is an apocalyptic number.

21113410424014 is a deficient number, since it is larger than the sum of its proper divisors (11329435109042).

21113410424014 is a wasteful number, since it uses less digits than its factorization.

21113410424014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286171.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 21113410424014 its reverse (41042401431112), we get a palindrome (62155811855126).

The spelling of 21113410424014 in words is "twenty-one trillion, one hundred thirteen billion, four hundred ten million, four hundred twenty-four thousand, fourteen".