21133033112 has 32 divisors (see below), whose sum is σ = 40740840000. Its totient is φ = 10270713600.

The previous prime is 21133033111. The next prime is 21133033127.

21133033112 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21133033111) 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, 29987 + ... + 207762.

It is an arithmetic number, because the mean of its divisors is an integer number (1273151250).

Almost surely, 2^21133033112 is an apocalyptic number.

It is an amenable number.

21133033112 is a deficient number, since it is larger than the sum of its proper divisors (19607806888).

21133033112 is a wasteful number, since it uses less digits than its factorization.

21133033112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238067 (or 238063 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

It can be divided in two parts, 211330 and 33112, that added together give a palindrome (244442).

The spelling of 21133033112 in words is "twenty-one billion, one hundred thirty-three million, thirty-three thousand, one hundred twelve".