21030221300332 has 12 divisors (see below), whose sum is σ = 38967762997800. Its totient is φ = 9896574729536.

The previous prime is 21030221300329. The next prime is 21030221300339. The reversal of 21030221300332 is 23300312203012.

It is not an unprimeable number, because it can be changed into a prime (21030221300339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154633980082 + ... + 154633980217.

It is an arithmetic number, because the mean of its divisors is an integer number (3247313583150).

Almost surely, 2^{21030221300332} is an apocalyptic number.

It is an amenable number.

21030221300332 is a deficient number, since it is larger than the sum of its proper divisors (17937541697468).

21030221300332 is a wasteful number, since it uses less digits than its factorization.

21030221300332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309267960320 (or 309267960318 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21030221300332 its reverse (23300312203012), we get a palindrome (44330533503344).

The spelling of 21030221300332 in words is "twenty-one trillion, thirty billion, two hundred twenty-one million, three hundred thousand, three hundred thirty-two".