21214053035466 has 8 divisors (see below), whose sum is σ = 42428106070944. Its totient is φ = 7071351011820.

The previous prime is 21214053035459. The next prime is 21214053035501. The reversal of 21214053035466 is 66453035041212.

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

21214053035466 is an admirable number.

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, 1767837752950 + ... + 1767837752961.

It is an arithmetic number, because the mean of its divisors is an integer number (5303513258868).

Almost surely, 2^{21214053035466} is an apocalyptic number.

21214053035466 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.

21214053035466 is a wasteful number, since it uses less digits than its factorization.

21214053035466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535675505916.

The product of its (nonzero) digits is 518400, while the sum is 42.

Adding to 21214053035466 its reverse (66453035041212), we get a palindrome (87667088076678).

The spelling of 21214053035466 in words is "twenty-one trillion, two hundred fourteen billion, fifty-three million, thirty-five thousand, four hundred sixty-six".