21230101322 has 16 divisors (see below), whose sum is σ = 32137171200. Its totient is φ = 10518133920.

The previous prime is 21230101273. The next prime is 21230101331. The reversal of 21230101322 is 22310103212.

It is a super-2 number, since 2×21230101322² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21230101322.

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 7 ways as a sum of consecutive naturals, for example, 4922 + ... + 206117.

It is an arithmetic number, because the mean of its divisors is an integer number (2008573200).

Almost surely, 2^21230101322 is an apocalyptic number.

21230101322 is a deficient number, since it is larger than the sum of its proper divisors (10907069878).

21230101322 is a wasteful number, since it uses less digits than its factorization.

21230101322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211501.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21230101322 its reverse (22310103212), we get a palindrome (43540204534).

The spelling of 21230101322 in words is "twenty-one billion, two hundred thirty million, one hundred one thousand, three hundred twenty-two".