21110013322203 has 8 divisors (see below), whose sum is σ = 30311814001168. Its totient is φ = 12990777429024.

The previous prime is 21110013322199. The next prime is 21110013322283. The reversal of 21110013322203 is 30222331001112.

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

It is not a de Polignac number, because 21110013322203 - 2² = 21110013322199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21110013322203.

It is not an unprimeable number, because it can be changed into a prime (21110013322283) 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, 270641196400 + ... + 270641196477.

It is an arithmetic number, because the mean of its divisors is an integer number (3788976750146).

Almost surely, 2^{21110013322203} is an apocalyptic number.

21110013322203 is a deficient number, since it is larger than the sum of its proper divisors (9201800678965).

21110013322203 is a wasteful number, since it uses less digits than its factorization.

21110013322203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541282392893.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21110013322203 its reverse (30222331001112), we get a palindrome (51332344323315).

The spelling of 21110013322203 in words is "twenty-one trillion, one hundred ten billion, thirteen million, three hundred twenty-two thousand, two hundred three".