1131101133012 has 48 divisors (see below), whose sum is σ = 2940474942720. Its totient is φ = 376006358016.

The previous prime is 1131101133011. The next prime is 1131101133023. The reversal of 1131101133012 is 2103311011311.

1131101133012 is a `hidden beast` number, since 1 + 1 + 311 + 0 + 11 + 330 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131101133011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14228973 + ... + 14308244.

It is an arithmetic number, because the mean of its divisors is an integer number (61259894640).

Almost surely, 2^{1131101133012} is an apocalyptic number.

1131101133012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131101133012 is an abundant number, since it is smaller than the sum of its proper divisors (1809373809708).

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

1131101133012 is a wasteful number, since it uses less digits than its factorization.

1131101133012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28537597 (or 28537589 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1131101133012 its reverse (2103311011311), we get a palindrome (3234412144323).

The spelling of 1131101133012 in words is "one trillion, one hundred thirty-one billion, one hundred one million, one hundred thirty-three thousand, twelve".