21130334002 has 16 divisors (see below), whose sum is σ = 33084591552. Its totient is φ = 10102443120.

The previous prime is 21130333969. The next prime is 21130334009. The reversal of 21130334002 is 20043303112.

It is not an unprimeable number, because it can be changed into a prime (21130334009) 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, 65773 + ... + 215839.

It is an arithmetic number, because the mean of its divisors is an integer number (2067786972).

Almost surely, 2^21130334002 is an apocalyptic number.

21130334002 is a deficient number, since it is larger than the sum of its proper divisors (11954257550).

21130334002 is a wasteful number, since it uses less digits than its factorization.

21130334002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153153.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21130334002 its reverse (20043303112), we get a palindrome (41173637114).

The spelling of 21130334002 in words is "twenty-one billion, one hundred thirty million, three hundred thirty-four thousand, two".