21100112200233 has 96 divisors (see below), whose sum is σ = 34411802880000. Its totient is φ = 12346038403200.

The previous prime is 21100112200147. The next prime is 21100112200241. The reversal of 21100112200233 is 33200221100112.

21100112200233 is a `hidden beast` number, since 21 + 100 + 112 + 200 + 233 = 666.

It is not a de Polignac number, because 21100112200233 - 2⁹ = 21100112199721 is a prime.

It is a super-3 number, since 3×21100112200233³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21100112200333) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1017794478 + ... + 1017815208.

It is an arithmetic number, because the mean of its divisors is an integer number (358456280000).

Almost surely, 2^{21100112200233} is an apocalyptic number.

It is an amenable number.

21100112200233 is a deficient number, since it is larger than the sum of its proper divisors (13311690679767).

21100112200233 is a wasteful number, since it uses less digits than its factorization.

21100112200233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22923 (or 22920 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21100112200233 its reverse (33200221100112), we get a palindrome (54300333300345).

The spelling of 21100112200233 in words is "twenty-one trillion, one hundred billion, one hundred twelve million, two hundred thousand, two hundred thirty-three".