21113133100223 has 8 divisors (see below), whose sum is σ = 21588047477136. Its totient is φ = 20641054033600.

The previous prime is 21113133100211. The next prime is 21113133100237. The reversal of 21113133100223 is 32200133131112.

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 21113133100223 - 2⁴ = 21113133100207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113133100273) 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, 708812513 + ... + 708842298.

It is an arithmetic number, because the mean of its divisors is an integer number (2698505934642).

Almost surely, 2^{21113133100223} is an apocalyptic number.

21113133100223 is a deficient number, since it is larger than the sum of its proper divisors (474914376913).

21113133100223 is a wasteful number, since it uses less digits than its factorization.

21113133100223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417655145.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 21113133100223 its reverse (32200133131112), we get a palindrome (53313266231335).

The spelling of 21113133100223 in words is "twenty-one trillion, one hundred thirteen billion, one hundred thirty-three million, one hundred thousand, two hundred twenty-three".