21133023002 has 16 divisors (see below), whose sum is σ = 39014812032. Its totient is φ = 8360316720.

The previous prime is 21133022987. The next prime is 21133023007. The reversal of 21133023002 is 20032033112.

It is a super-2 number, since 2×21133023002² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21133023007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58057574 + ... + 58057937.

It is an arithmetic number, because the mean of its divisors is an integer number (2438425752).

Almost surely, 2^21133023002 is an apocalyptic number.

21133023002 is a deficient number, since it is larger than the sum of its proper divisors (17881789030).

21133023002 is a wasteful number, since it uses less digits than its factorization.

21133023002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116115533.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21133023002 its reverse (20032033112), we get a palindrome (41165056114).

The spelling of 21133023002 in words is "twenty-one billion, one hundred thirty-three million, twenty-three thousand, two".