1131231110200 has 48 divisors (see below), whose sum is σ = 2631666640680. Its totient is φ = 452225036160.

The previous prime is 1131231110129. The next prime is 1131231110203. The reversal of 1131231110200 is 20111321311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131231110203) 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, 1331854 + ... + 2009053.

Almost surely, 2^{1131231110200} is an apocalyptic number.

1131231110200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131231110200 is an abundant number, since it is smaller than the sum of its proper divisors (1500435530480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131231110200 is a wasteful number, since it uses less digits than its factorization.

1131231110200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342616 (or 3342607 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1131231110200 its reverse (20111321311), we get a palindrome (1151342431511).

The spelling of 1131231110200 in words is "one trillion, one hundred thirty-one billion, two hundred thirty-one million, one hundred ten thousand, two hundred".