1310121202203 has 16 divisors (see below), whose sum is σ = 2117367600000. Its totient is φ = 794012849640.

The previous prime is 1310121202199. The next prime is 1310121202211. The reversal of 1310121202203 is 3022021210131.

1310121202203 is a `hidden beast` number, since 1 + 310 + 12 + 120 + 220 + 3 = 666.

It is not a de Polignac number, because 1310121202203 - 2² = 1310121202199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1310121207203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2205590953 + ... + 2205591546.

It is an arithmetic number, because the mean of its divisors is an integer number (132335475000).

Almost surely, 2^{1310121202203} is an apocalyptic number.

1310121202203 is a deficient number, since it is larger than the sum of its proper divisors (807246397797).

1310121202203 is a wasteful number, since it uses less digits than its factorization.

1310121202203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411182519 (or 4411182513 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1310121202203 its reverse (3022021210131), we get a palindrome (4332142412334).

The spelling of 1310121202203 in words is "one trillion, three hundred ten billion, one hundred twenty-one million, two hundred two thousand, two hundred three".