21110133232 has 10 divisors (see below), whose sum is σ = 40900883168. Its totient is φ = 10555066608.

The previous prime is 21110133221. The next prime is 21110133269. The reversal of 21110133232 is 23233101112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659691648 + ... + 659691679.

Almost surely, 2^21110133232 is an apocalyptic number.

It is an amenable number.

21110133232 is a deficient number, since it is larger than the sum of its proper divisors (19790749936).

21110133232 is a wasteful number, since it uses less digits than its factorization.

21110133232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319383335 (or 1319383329 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21110133232 its reverse (23233101112), we get a palindrome (44343234344).

The spelling of 21110133232 in words is "twenty-one billion, one hundred ten million, one hundred thirty-three thousand, two hundred thirty-two".