21214204244003 has 8 divisors (see below), whose sum is σ = 22136824332576. Its totient is φ = 20291606104000.

The previous prime is 21214204243933. The next prime is 21214204244021. The reversal of 21214204244003 is 30044240241212.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21214204244003 is a prime.

It is a super-3 number, since 3×21214204244003³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21214234244003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3496658 + ... + 7392903.

It is an arithmetic number, because the mean of its divisors is an integer number (2767103041572).

Almost surely, 2^{21214204244003} is an apocalyptic number.

21214204244003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

21214204244003 is a deficient number, since it is larger than the sum of its proper divisors (922620088573).

21214204244003 is a wasteful number, since it uses less digits than its factorization.

21214204244003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10974285.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 21214204244003 its reverse (30044240241212), we get a palindrome (51258444485215).

The spelling of 21214204244003 in words is "twenty-one trillion, two hundred fourteen billion, two hundred four million, two hundred forty-four thousand, three".