21130303002 has 16 divisors (see below), whose sum is σ = 43717868640. Its totient is φ = 6800557232.

The previous prime is 21130302989. The next prime is 21130303003. The reversal of 21130303002 is 20030303112.

It is not an unprimeable number, because it can be changed into a prime (21130303003) 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, 60719088 + ... + 60719435.

It is an arithmetic number, because the mean of its divisors is an integer number (2732366790).

Almost surely, 2^21130303002 is an apocalyptic number.

21130303002 is an abundant number, since it is smaller than the sum of its proper divisors (22587565638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21130303002 is a wasteful number, since it uses less digits than its factorization.

21130303002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121438557.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 21130303002 its reverse (20030303112), we get a palindrome (41160606114).

The spelling of 21130303002 in words is "twenty-one billion, one hundred thirty million, three hundred three thousand, two".