21101320113322 has 16 divisors (see below), whose sum is σ = 33319752308640. Its totient is φ = 9994798625328.

The previous prime is 21101320113283. The next prime is 21101320113323. The reversal of 21101320113322 is 22331102310112.

It is a junction number, because it is equal to n+sod(n) for n = 21101320113293 and 21101320113302.

It is not an unprimeable number, because it can be changed into a prime (21101320113323) by changing a digit.

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, 14970453 + ... + 16319224.

It is an arithmetic number, because the mean of its divisors is an integer number (2082484519290).

Almost surely, 2^{21101320113322} is an apocalyptic number.

21101320113322 is a deficient number, since it is larger than the sum of its proper divisors (12218432195318).

21101320113322 is a wasteful number, since it uses less digits than its factorization.

21101320113322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31307445.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 21101320113322 its reverse (22331102310112), we get a palindrome (43432422423434).

The spelling of 21101320113322 in words is "twenty-one trillion, one hundred one billion, three hundred twenty million, one hundred thirteen thousand, three hundred twenty-two".