1203110213103 has 12 divisors (see below), whose sum is σ = 1737846318208. Its totient is φ = 802064034720.

The previous prime is 1203110213089. The next prime is 1203110213141. The reversal of 1203110213103 is 3013120113021.

1203110213103 is a `hidden beast` number, since 1 + 20 + 311 + 0 + 21 + 310 + 3 = 666.

It is not a de Polignac number, because 1203110213103 - 2²⁰ = 1203109164527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203110213303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69426 + ... + 1552752.

Almost surely, 2^{1203110213103} is an apocalyptic number.

1203110213103 is a deficient number, since it is larger than the sum of its proper divisors (534736105105).

1203110213103 is a wasteful number, since it uses less digits than its factorization.

1203110213103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573454 (or 1573451 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1203110213103 its reverse (3013120113021), we get a palindrome (4216230326124).

The spelling of 1203110213103 in words is "one trillion, two hundred three billion, one hundred ten million, two hundred thirteen thousand, one hundred three".