21110230203203 has 8 divisors (see below), whose sum is σ = 22738069252800. Its totient is φ = 19534068583848.

The previous prime is 21110230203187. The next prime is 21110230203269. The reversal of 21110230203203 is 30230203201112.

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 21110230203203 - 2⁴ = 21110230203187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21110233203203) 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, 12919356713 + ... + 12919358346.

It is an arithmetic number, because the mean of its divisors is an integer number (2842258656600).

Almost surely, 2^{21110230203203} is an apocalyptic number.

21110230203203 is a deficient number, since it is larger than the sum of its proper divisors (1627839049597).

21110230203203 is a wasteful number, since it uses less digits than its factorization.

21110230203203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25838715121.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21110230203203 its reverse (30230203201112), we get a palindrome (51340433404315).

The spelling of 21110230203203 in words is "twenty-one trillion, one hundred ten billion, two hundred thirty million, two hundred three thousand, two hundred three".