1131132201213 has 48 divisors (see below), whose sum is σ = 1849535299584. Its totient is φ = 612202036320.

The previous prime is 1131132201209. The next prime is 1131132201223. The reversal of 1131132201213 is 3121022311311.

It is not a de Polignac number, because 1131132201213 - 2² = 1131132201209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1131132201213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131132201223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2426445 + ... + 2854802.

It is an arithmetic number, because the mean of its divisors is an integer number (38531985408).

Almost surely, 2^{1131132201213} is an apocalyptic number.

It is an amenable number.

1131132201213 is a deficient number, since it is larger than the sum of its proper divisors (718403098371).

1131132201213 is a wasteful number, since it uses less digits than its factorization.

1131132201213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5281342 (or 5281335 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1131132201213 its reverse (3121022311311), we get a palindrome (4252154512524).

The spelling of 1131132201213 in words is "one trillion, one hundred thirty-one billion, one hundred thirty-two million, two hundred one thousand, two hundred thirteen".