112121133001 has 4 divisors (see below), whose sum is σ = 112387454404. Its totient is φ = 111854811600.

The previous prime is 112121132989. The next prime is 112121133029. The reversal of 112121133001 is 100331121211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100331121211 = 31 ⋅3236487781.

It can be written as a sum of positive squares in 2 ways, for example, as 1946927376 + 110174205625 = 44124^2 + 331925^2 .

It is a cyclic number.

It is not a de Polignac number, because 112121133001 - 2¹⁷ = 112121001929 is a prime.

It is a super-2 number, since 2×112121133001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112121133701) 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, 133160070 + ... + 133160911.

It is an arithmetic number, because the mean of its divisors is an integer number (28096863601).

Almost surely, 2^112121133001 is an apocalyptic number.

It is an amenable number.

112121133001 is a deficient number, since it is larger than the sum of its proper divisors (266321403).

112121133001 is an equidigital number, since it uses as much as digits as its factorization.

112121133001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266321402.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 112121133001 its reverse (100331121211), we get a palindrome (212452254212).

The spelling of 112121133001 in words is "one hundred twelve billion, one hundred twenty-one million, one hundred thirty-three thousand, one".