21133011002 has 16 divisors (see below), whose sum is σ = 31835719872. Its totient is φ = 10521144480.

The previous prime is 21133010999. The next prime is 21133011007. The reversal of 21133011002 is 20011033112.

It is not an unprimeable number, because it can be changed into a prime (21133011007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199477 + ... + 1216967.

It is an arithmetic number, because the mean of its divisors is an integer number (1989732492).

Almost surely, 2^21133011002 is an apocalyptic number.

21133011002 is a deficient number, since it is larger than the sum of its proper divisors (10702708870).

21133011002 is a wasteful number, since it uses less digits than its factorization.

21133011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20053.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21133011002 its reverse (20011033112), we get a palindrome (41144044114).

The spelling of 21133011002 in words is "twenty-one billion, one hundred thirty-three million, eleven thousand, two".