21202310211330 has 64 divisors (see below), whose sum is σ = 50904753419520. Its totient is φ = 5651815550976.

The previous prime is 21202310211311. The next prime is 21202310211353. The reversal of 21202310211330 is 3311201320212.

It is a junction number, because it is equal to n+sod(n) for n = 21202310211297 and 21202310211306.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1235629291 + ... + 1235646449.

It is an arithmetic number, because the mean of its divisors is an integer number (795386772180).

Almost surely, 2^{21202310211330} is an apocalyptic number.

21202310211330 is an abundant number, since it is smaller than the sum of its proper divisors (29702443208190).

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

21202310211330 is a wasteful number, since it uses less digits than its factorization.

21202310211330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30315.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21202310211330 its reverse (3311201320212), we get a palindrome (24513511531542).

The spelling of 21202310211330 in words is "twenty-one trillion, two hundred two billion, three hundred ten million, two hundred eleven thousand, three hundred thirty".