21110120332 has 12 divisors (see below), whose sum is σ = 42220240720. Its totient is φ = 9047194416.

The previous prime is 21110120323. The next prime is 21110120387. The reversal of 21110120332 is 23302101112.

21110120332 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376966407 + ... + 376966462.

Almost surely, 2^21110120332 is an apocalyptic number.

It is an amenable number.

21110120332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21110120332 is a wasteful number, since it uses less digits than its factorization.

21110120332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753932880 (or 753932878 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21110120332 its reverse (23302101112), we get a palindrome (44412221444).

The spelling of 21110120332 in words is "twenty-one billion, one hundred ten million, one hundred twenty thousand, three hundred thirty-two".