112001021211132 has 36 divisors (see below), whose sum is σ = 283255320348000. Its totient is φ = 37314997538112.

The previous prime is 112001021211089. The next prime is 112001021211133. The reversal of 112001021211132 is 231112120100211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×112001021211132² (a number of 29 digits) contains 22 as substring.

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 (112001021211133) 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, 778101993 + ... + 778245920.

It is an arithmetic number, because the mean of its divisors is an integer number (7868203343000).

Almost surely, 2^{112001021211132} is an apocalyptic number.

112001021211132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112001021211132 is an abundant number, since it is smaller than the sum of its proper divisors (171254299136868).

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

112001021211132 is a wasteful number, since it uses less digits than its factorization.

112001021211132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556349922 (or 1556349917 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 112001021211132 its reverse (231112120100211), we get a palindrome (343113141311343).

The spelling of 112001021211132 in words is "one hundred twelve trillion, one billion, twenty-one million, two hundred eleven thousand, one hundred thirty-two".