21113310011233 has 16 divisors (see below), whose sum is σ = 23310610142400. Its totient is φ = 18962335986880.

The previous prime is 21113310011177. The next prime is 21113310011291. The reversal of 21113310011233 is 33211001331112.

It is not a de Polignac number, because 21113310011233 - 2⁹ = 21113310010721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21113310014233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63185523 + ... + 63518791.

It is an arithmetic number, because the mean of its divisors is an integer number (1456913133900).

Almost surely, 2^{21113310011233} is an apocalyptic number.

It is an amenable number.

21113310011233 is a deficient number, since it is larger than the sum of its proper divisors (2197300131167).

21113310011233 is a wasteful number, since it uses less digits than its factorization.

21113310011233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402752.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 21113310011233 its reverse (33211001331112), we get a palindrome (54324311342345).

The spelling of 21113310011233 in words is "twenty-one trillion, one hundred thirteen billion, three hundred ten million, eleven thousand, two hundred thirty-three".