1313222112001 has 4 divisors (see below), whose sum is σ = 1313226557104. Its totient is φ = 1313217666900.

The previous prime is 1313222111989. The next prime is 1313222112017. The reversal of 1313222112001 is 1002112223131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1313222112001 - 2²¹ = 1313220014849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313222112001.

It is not an unprimeable number, because it can be changed into a prime (1313222112701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745235 + ... + 2381656.

It is an arithmetic number, because the mean of its divisors is an integer number (328306639276).

Almost surely, 2^{1313222112001} is an apocalyptic number.

It is an amenable number.

1313222112001 is a deficient number, since it is larger than the sum of its proper divisors (4445103).

1313222112001 is an equidigital number, since it uses as much as digits as its factorization.

1313222112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4445102.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1313222112001 its reverse (1002112223131), we get a palindrome (2315334335132).

The spelling of 1313222112001 in words is "one trillion, three hundred thirteen billion, two hundred twenty-two million, one hundred twelve thousand, one".