21100000322 has 16 divisors (see below), whose sum is σ = 32794329600. Its totient is φ = 10169733840.

The previous prime is 21100000321. The next prime is 21100000333. The reversal of 21100000322 is 22300000112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21100000321) 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, 257954 + ... + 329757.

It is an arithmetic number, because the mean of its divisors is an integer number (2049645600).

Almost surely, 2^21100000322 is an apocalyptic number.

21100000322 is a deficient number, since it is larger than the sum of its proper divisors (11694329278).

21100000322 is a wasteful number, since it uses less digits than its factorization.

21100000322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588361.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 21100000322 its reverse (22300000112), we get a palindrome (43400000434).

The spelling of 21100000322 in words is "twenty-one billion, one hundred million, three hundred twenty-two", and thus it is an aban number.