112002013121 has 4 divisors (see below), whose sum is σ = 118590366852. Its totient is φ = 105413659392.

The previous prime is 112002013117. The next prime is 112002013127. The reversal of 112002013121 is 121310200211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46068612496 + 65933400625 = 214636^2 + 256775^2 .

It is a cyclic number.

It is not a de Polignac number, because 112002013121 - 2² = 112002013117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112002013096 and 112002013105.

It is not an unprimeable number, because it can be changed into a prime (112002013127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3294176840 + ... + 3294176873.

It is an arithmetic number, because the mean of its divisors is an integer number (29647591713).

Almost surely, 2^112002013121 is an apocalyptic number.

It is an amenable number.

112002013121 is a deficient number, since it is larger than the sum of its proper divisors (6588353731).

112002013121 is an equidigital number, since it uses as much as digits as its factorization.

112002013121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6588353730.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 112002013121 its reverse (121310200211), we get a palindrome (233312213332).

The spelling of 112002013121 in words is "one hundred twelve billion, two million, thirteen thousand, one hundred twenty-one".