21002331130 has 32 divisors (see below), whose sum is σ = 41389885440. Its totient is φ = 7609629120.

The previous prime is 21002331109. The next prime is 21002331149. The reversal of 21002331130 is 3113320012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314170 + ... + 375109.

It is an arithmetic number, because the mean of its divisors is an integer number (1293433920).

Almost surely, 2^21002331130 is an apocalyptic number.

21002331130 is a deficient number, since it is larger than the sum of its proper divisors (20387554310).

21002331130 is a wasteful number, since it uses less digits than its factorization.

21002331130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689574.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21002331130 its reverse (3113320012), we get a palindrome (24115651142).

The spelling of 21002331130 in words is "twenty-one billion, two million, three hundred thirty-one thousand, one hundred thirty".