21114214211215 has 8 divisors (see below), whose sum is σ = 25339373755920. Its totient is φ = 16889826900672.

The previous prime is 21114214211197. The next prime is 21114214211239. The reversal of 21114214211215 is 51211241241112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21114214211215 - 2⁹ = 21114214210703 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192998385 + ... + 193107754.

It is an arithmetic number, because the mean of its divisors is an integer number (3167421719490).

Almost surely, 2^{21114214211215} is an apocalyptic number.

21114214211215 is a deficient number, since it is larger than the sum of its proper divisors (4225159544705).

21114214211215 is a wasteful number, since it uses less digits than its factorization.

21114214211215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386117081.

The product of its digits is 1280, while the sum is 28.

Adding to 21114214211215 its reverse (51211241241112), we get a palindrome (72325455452327).

The spelling of 21114214211215 in words is "twenty-one trillion, one hundred fourteen billion, two hundred fourteen million, two hundred eleven thousand, two hundred fifteen".