112121002000121 has 4 divisors (see below), whose sum is σ = 112136840544000. Its totient is φ = 112105163456244.

The previous prime is 112121002000109. The next prime is 112121002000159. The reversal of 112121002000121 is 121000200121211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112121002000121 is a prime.

It is a super-2 number, since 2×112121002000121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112121002000096 and 112121002000105.

It is not an unprimeable number, because it can be changed into a prime (112121002000171) 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, 7919261321 + ... + 7919275478.

It is an arithmetic number, because the mean of its divisors is an integer number (28034210136000).

Almost surely, 2^{112121002000121} is an apocalyptic number.

It is an amenable number.

112121002000121 is a deficient number, since it is larger than the sum of its proper divisors (15838543879).

112121002000121 is an equidigital number, since it uses as much as digits as its factorization.

112121002000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15838543878.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112121002000121 its reverse (121000200121211), we get a palindrome (233121202121332).

The spelling of 112121002000121 in words is "one hundred twelve trillion, one hundred twenty-one billion, two million, one hundred twenty-one", and thus it is an aban number.