21033220133132 has 48 divisors (see below), whose sum is σ = 36922817820672. Its totient is φ = 10483912944000.

The previous prime is 21033220133131. The next prime is 21033220133239. The reversal of 21033220133132 is 23133102233012.

It is not an unprimeable number, because it can be changed into a prime (21033220133131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7008735632 + ... + 7008738632.

It is an arithmetic number, because the mean of its divisors is an integer number (769225371264).

Almost surely, 2^{21033220133132} is an apocalyptic number.

It is an amenable number.

21033220133132 is a deficient number, since it is larger than the sum of its proper divisors (15889597687540).

21033220133132 is a wasteful number, since it uses less digits than its factorization.

21033220133132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7158 (or 7156 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 21033220133132 its reverse (23133102233012), we get a palindrome (44166322366144).

The spelling of 21033220133132 in words is "twenty-one trillion, thirty-three billion, two hundred twenty million, one hundred thirty-three thousand, one hundred thirty-two".