112132122121121 has 4 divisors (see below), whose sum is σ = 112207227361812. Its totient is φ = 112057016880432.

The previous prime is 112132122121109. The next prime is 112132122121133. The reversal of 112132122121121 is 121121221231211.

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

It is an interprime number because it is at equal distance from previous prime (112132122121109) and next prime (112132122121133).

It can be written as a sum of positive squares in 2 ways, for example, as 82141866136225 + 29990255984896 = 9063215^2 + 5476336^2 .

It is a cyclic number.

It is not a de Polignac number, because 112132122121121 - 2³⁴ = 112114942251937 is a prime.

It is a super-2 number, since 2×112132122121121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112132122121181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37552618106 + ... + 37552621091.

It is an arithmetic number, because the mean of its divisors is an integer number (28051806840453).

Almost surely, 2^{112132122121121} is an apocalyptic number.

It is an amenable number.

112132122121121 is a deficient number, since it is larger than the sum of its proper divisors (75105240691).

112132122121121 is an equidigital number, since it uses as much as digits as its factorization.

112132122121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75105240690.

The product of its digits is 192, while the sum is 23.

Adding to 112132122121121 its reverse (121121221231211), we get a palindrome (233253343352332).

The spelling of 112132122121121 in words is "one hundred twelve trillion, one hundred thirty-two billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-one".