21214036533106 has 8 divisors (see below), whose sum is σ = 32223852961920. Its totient is φ = 10472752212468.

The previous prime is 21214036533097. The next prime is 21214036533139. The reversal of 21214036533106 is 60133563041212.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67133026846 + ... + 67133027161.

It is an arithmetic number, because the mean of its divisors is an integer number (4027981620240).

Almost surely, 2^{21214036533106} is an apocalyptic number.

21214036533106 is a deficient number, since it is larger than the sum of its proper divisors (11009816428814).

21214036533106 is a wasteful number, since it uses less digits than its factorization.

21214036533106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134266054088.

The product of its (nonzero) digits is 77760, while the sum is 37.

Adding to 21214036533106 its reverse (60133563041212), we get a palindrome (81347599574318).

The spelling of 21214036533106 in words is "twenty-one trillion, two hundred fourteen billion, thirty-six million, five hundred thirty-three thousand, one hundred six".