21113203201330 has 32 divisors (see below), whose sum is σ = 41095436334336. Its totient is φ = 7779383003904.

The previous prime is 21113203201249. The next prime is 21113203201333. The reversal of 21113203201330 is 3310230231112.

It is not an unprimeable number, because it can be changed into a prime (21113203201333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321218744 + ... + 1321234723.

It is an arithmetic number, because the mean of its divisors is an integer number (1284232385448).

Almost surely, 2^{21113203201330} is an apocalyptic number.

21113203201330 is a deficient number, since it is larger than the sum of its proper divisors (19982233133006).

21113203201330 is a wasteful number, since it uses less digits than its factorization.

21113203201330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642453538.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21113203201330 its reverse (3310230231112), we get a palindrome (24423433432442).

The spelling of 21113203201330 in words is "twenty-one trillion, one hundred thirteen billion, two hundred three million, two hundred one thousand, three hundred thirty".