1101131200013 has 4 divisors (see below), whose sum is σ = 1185833600028. Its totient is φ = 1016428800000.

The previous prime is 1101131199997. The next prime is 1101131200019. The reversal of 1101131200013 is 3100021311011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 134012369929 + 967118830084 = 366077^2 + 983422^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101131200013 - 2⁴ = 1101131199997 is a prime.

It is a super-2 number, since 2×1101131200013² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101131200019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42351199988 + ... + 42351200013.

It is an arithmetic number, because the mean of its divisors is an integer number (296458400007).

Almost surely, 2^{1101131200013} is an apocalyptic number.

1101131200013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1101131200013 is a deficient number, since it is larger than the sum of its proper divisors (84702400015).

1101131200013 is an equidigital number, since it uses as much as digits as its factorization.

1101131200013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84702400014.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1101131200013 its reverse (3100021311011), we get a palindrome (4201152511024).

The spelling of 1101131200013 in words is "one trillion, one hundred one billion, one hundred thirty-one million, two hundred thousand, thirteen".