21130033112 has 24 divisors (see below), whose sum is σ = 40718551860. Its totient is φ = 10279470240.

The previous prime is 21130033087. The next prime is 21130033151. The reversal of 21130033112 is 21133003112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 953714 + ... + 975617.

Almost surely, 2^21130033112 is an apocalyptic number.

It is an amenable number.

21130033112 is a deficient number, since it is larger than the sum of its proper divisors (19588518748).

21130033112 is a wasteful number, since it uses less digits than its factorization.

21130033112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929411 (or 1929370 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21130033112 its reverse (21133003112), we get a palindrome (42263036224).

The spelling of 21130033112 in words is "twenty-one billion, one hundred thirty million, thirty-three thousand, one hundred twelve".