21214026552662 has 32 divisors (see below), whose sum is σ = 33543463392000. Its totient is φ = 10034463182688.

The previous prime is 21214026552571. The next prime is 21214026552679. The reversal of 21214026552662 is 26625562041212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252545033 + ... + 252629019.

It is an arithmetic number, because the mean of its divisors is an integer number (1048233231000).

Almost surely, 2^{21214026552662} is an apocalyptic number.

21214026552662 is a deficient number, since it is larger than the sum of its proper divisors (12329436839338).

21214026552662 is a wasteful number, since it uses less digits than its factorization.

21214026552662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93380.

The product of its (nonzero) digits is 691200, while the sum is 44.

Adding to 21214026552662 its reverse (26625562041212), we get a palindrome (47839588593874).

The spelling of 21214026552662 in words is "twenty-one trillion, two hundred fourteen billion, twenty-six million, five hundred fifty-two thousand, six hundred sixty-two".