21202003133130 has 64 divisors (see below), whose sum is σ = 53889656659200. Its totient is φ = 5320138896384.

The previous prime is 21202003133057. The next prime is 21202003133153. The reversal of 21202003133130 is 3133130020212.

It is a junction number, because it is equal to n+sod(n) for n = 21202003133097 and 21202003133106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2117830 + ... + 6847569.

It is an arithmetic number, because the mean of its divisors is an integer number (842025885300).

Almost surely, 2^{21202003133130} is an apocalyptic number.

21202003133130 is an abundant number, since it is smaller than the sum of its proper divisors (32687653526070).

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

21202003133130 is a wasteful number, since it uses less digits than its factorization.

21202003133130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8970063.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21202003133130 its reverse (3133130020212), we get a palindrome (24335133153342).

The spelling of 21202003133130 in words is "twenty-one trillion, two hundred two billion, three million, one hundred thirty-three thousand, one hundred thirty".