1131202110213 has 24 divisors (see below), whose sum is σ = 1867433110400. Its totient is φ = 646383258144.

The previous prime is 1131202110209. The next prime is 1131202110223. The reversal of 1131202110213 is 3120112021311.

It is not a de Polignac number, because 1131202110213 - 2² = 1131202110209 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 (1131202110223) 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 23 ways as a sum of consecutive naturals, for example, 2232243 + ... + 2691711.

Almost surely, 2^{1131202110213} is an apocalyptic number.

It is an amenable number.

1131202110213 is a deficient number, since it is larger than the sum of its proper divisors (736231000187).

1131202110213 is a wasteful number, since it uses less digits than its factorization.

1131202110213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498561 (or 498558 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1131202110213 its reverse (3120112021311), we get a palindrome (4251314131524).

The spelling of 1131202110213 in words is "one trillion, one hundred thirty-one billion, two hundred two million, one hundred ten thousand, two hundred thirteen".