1320100331201 has 4 divisors (see below), whose sum is σ = 1320121979904. Its totient is φ = 1320078682500.

The previous prime is 1320100331197. The next prime is 1320100331267. The reversal of 1320100331201 is 1021330010231.

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 1320100331201 - 2² = 1320100331197 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 1320100331201.

It is not an unprimeable number, because it can be changed into a prime (1320100331281) 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, 10732625 + ... + 10854926.

It is an arithmetic number, because the mean of its divisors is an integer number (330030494976).

Almost surely, 2^{1320100331201} is an apocalyptic number.

It is an amenable number.

1320100331201 is a deficient number, since it is larger than the sum of its proper divisors (21648703).

1320100331201 is an equidigital number, since it uses as much as digits as its factorization.

1320100331201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21648702.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1320100331201 its reverse (1021330010231), we get a palindrome (2341430341432).

The spelling of 1320100331201 in words is "one trillion, three hundred twenty billion, one hundred million, three hundred thirty-one thousand, two hundred one".