112121000121 has 16 divisors (see below), whose sum is σ = 163397159744. Its totient is φ = 67967722944.

The previous prime is 112121000083. The next prime is 112121000143. The reversal of 112121000121 is 121000121211.

It is not a de Polignac number, because 112121000121 - 2²¹ = 112118902969 is a prime.

It is a super-2 number, since 2×112121000121² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112121000097 and 112121000106.

It is not an unprimeable number, because it can be changed into a prime (112121000171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21451846 + ... + 21457071.

It is an arithmetic number, because the mean of its divisors is an integer number (10212322484).

Almost surely, 2^112121000121 is an apocalyptic number.

It is an amenable number.

112121000121 is a deficient number, since it is larger than the sum of its proper divisors (51276159623).

112121000121 is a wasteful number, since it uses less digits than its factorization.

112121000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42909000.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 112121000121 its reverse (121000121211), we get a palindrome (233121121332).

The spelling of 112121000121 in words is "one hundred twelve billion, one hundred twenty-one million, one hundred twenty-one", and thus it is an aban number.