21101200132 has 12 divisors (see below), whose sum is σ = 38532626496. Its totient is φ = 10091878280.

The previous prime is 21101200129. The next prime is 21101200147. The reversal of 21101200132 is 23100210112.

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, 114680344 + ... + 114680527.

It is an arithmetic number, because the mean of its divisors is an integer number (3211052208).

Almost surely, 2^21101200132 is an apocalyptic number.

It is an amenable number.

21101200132 is a deficient number, since it is larger than the sum of its proper divisors (17431426364).

21101200132 is a wasteful number, since it uses less digits than its factorization.

21101200132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229360898 (or 229360896 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21101200132 its reverse (23100210112), we get a palindrome (44201410244).

The spelling of 21101200132 in words is "twenty-one billion, one hundred one million, two hundred thousand, one hundred thirty-two".