1311130121132 has 48 divisors (see below), whose sum is σ = 2564919917952. Its totient is φ = 582552449280.

The previous prime is 1311130121099. The next prime is 1311130121137. The reversal of 1311130121132 is 2311210311131.

It is a super-2 number, since 2×1311130121132² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1311130121137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4248203 + ... + 4546370.

It is an arithmetic number, because the mean of its divisors is an integer number (53435831624).

Almost surely, 2^{1311130121132} is an apocalyptic number.

It is an amenable number.

1311130121132 is a deficient number, since it is larger than the sum of its proper divisors (1253789796820).

1311130121132 is a wasteful number, since it uses less digits than its factorization.

1311130121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8794698 (or 8794696 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1311130121132 its reverse (2311210311131), we get a palindrome (3622340432263).

The spelling of 1311130121132 in words is "one trillion, three hundred eleven billion, one hundred thirty million, one hundred twenty-one thousand, one hundred thirty-two".