21113014004214 has 32 divisors (see below), whose sum is σ = 48067573388544. Its totient is φ = 6119714203680.

The previous prime is 21113014004213. The next prime is 21113014004261. The reversal of 21113014004214 is 41240041031112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113014004213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6954219169 + ... + 6954222204.

It is an arithmetic number, because the mean of its divisors is an integer number (1502111668392).

Almost surely, 2^{21113014004214} is an apocalyptic number.

21113014004214 is an abundant number, since it is smaller than the sum of its proper divisors (26954559384330).

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

21113014004214 is a wasteful number, since it uses less digits than its factorization.

21113014004214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13908441412.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 21113014004214 its reverse (41240041031112), we get a palindrome (62353055035326).

The spelling of 21113014004214 in words is "twenty-one trillion, one hundred thirteen billion, fourteen million, four thousand, two hundred fourteen".