21011324401322 has 8 divisors (see below), whose sum is σ = 31517404045572. Its totient is φ = 10505523052800.

The previous prime is 21011324401261. The next prime is 21011324401337. The reversal of 21011324401322 is 22310442311012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18889463132401 + 2121861268921 = 4346201^2 + 1456661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21011324401291 and 21011324401300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69385079 + ... + 69687242.

Almost surely, 2^{21011324401322} is an apocalyptic number.

21011324401322 is a deficient number, since it is larger than the sum of its proper divisors (10506079644250).

21011324401322 is a wasteful number, since it uses less digits than its factorization.

21011324401322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139147864.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 21011324401322 its reverse (22310442311012), we get a palindrome (43321766712334).

The spelling of 21011324401322 in words is "twenty-one trillion, eleven billion, three hundred twenty-four million, four hundred one thousand, three hundred twenty-two".