13321220311222 has 8 divisors (see below), whose sum is σ = 20009090810736. Its totient is φ = 6651523374312.

The previous prime is 13321220311181. The next prime is 13321220311303. The reversal of 13321220311222 is 22211302212331.

13321220311222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×13321220311222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 4543388818 + ... + 4543391749.

It is an arithmetic number, because the mean of its divisors is an integer number (2501136351342).

Almost surely, 2^{13321220311222} is an apocalyptic number.

13321220311222 is a deficient number, since it is larger than the sum of its proper divisors (6687870499514).

13321220311222 is an equidigital number, since it uses as much as digits as its factorization.

13321220311222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9086781302.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 13321220311222 its reverse (22211302212331), we get a palindrome (35532522523553).

The spelling of 13321220311222 in words is "thirteen trillion, three hundred twenty-one billion, two hundred twenty million, three hundred eleven thousand, two hundred twenty-two".