1320211002203 has 4 divisors (see below), whose sum is σ = 1345120643808. Its totient is φ = 1295301360600.

The previous prime is 1320211002157. The next prime is 1320211002233. The reversal of 1320211002203 is 3022001120231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1320211002203 - 2⁶ = 1320211002139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320211002233) 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, 12454820723 + ... + 12454820828.

It is an arithmetic number, because the mean of its divisors is an integer number (336280160952).

Almost surely, 2^{1320211002203} is an apocalyptic number.

1320211002203 is a deficient number, since it is larger than the sum of its proper divisors (24909641605).

1320211002203 is an equidigital number, since it uses as much as digits as its factorization.

1320211002203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24909641604.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1320211002203 its reverse (3022001120231), we get a palindrome (4342212122434).

The spelling of 1320211002203 in words is "one trillion, three hundred twenty billion, two hundred eleven million, two thousand, two hundred three".