21320000221010 has 16 divisors (see below), whose sum is σ = 40395789892800. Its totient is φ = 8079157978416.

The previous prime is 21320000220979. The next prime is 21320000221019. The reversal of 21320000221010 is 1012200002312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21320000221019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56105263550 + ... + 56105263929.

It is an arithmetic number, because the mean of its divisors is an integer number (2524736868300).

Almost surely, 2^{21320000221010} is an apocalyptic number.

21320000221010 is a deficient number, since it is larger than the sum of its proper divisors (19075789671790).

21320000221010 is a wasteful number, since it uses less digits than its factorization.

21320000221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112210527505.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21320000221010 its reverse (1012200002312), we get a palindrome (22332200223322).

The spelling of 21320000221010 in words is "twenty-one trillion, three hundred twenty billion, two hundred twenty-one thousand, ten".