21103222201312 has 12 divisors (see below), whose sum is σ = 41546968708896. Its totient is φ = 10551611100640.

The previous prime is 21103222201301. The next prime is 21103222201333. The reversal of 21103222201312 is 21310222230112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329737846864 + ... + 329737846927.

It is an arithmetic number, because the mean of its divisors is an integer number (3462247392408).

Almost surely, 2^{21103222201312} is an apocalyptic number.

It is an amenable number.

21103222201312 is a deficient number, since it is larger than the sum of its proper divisors (20443746507584).

21103222201312 is an equidigital number, since it uses as much as digits as its factorization.

21103222201312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659475693801 (or 659475693793 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21103222201312 its reverse (21310222230112), we get a palindrome (42413444431424).

The spelling of 21103222201312 in words is "twenty-one trillion, one hundred three billion, two hundred twenty-two million, two hundred one thousand, three hundred twelve".