112002120112121 has 4 divisors (see below), whose sum is σ = 112002239583732. Its totient is φ = 112002000640512.

The previous prime is 112002120112097. The next prime is 112002120112147. The reversal of 112002120112121 is 121211021200211.

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 72401038854400 + 39601081257721 = 8508880^2 + 6292939^2 .

It is a cyclic number.

It is not a de Polignac number, because 112002120112121 - 2¹⁴ = 112002120095737 is a prime.

It is a super-2 number, since 2×112002120112121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112002120112121.

It is not an unprimeable number, because it can be changed into a prime (112002120112721) 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, 58318376 + ... + 60208281.

It is an arithmetic number, because the mean of its divisors is an integer number (28000559895933).

Almost surely, 2^{112002120112121} is an apocalyptic number.

It is an amenable number.

112002120112121 is a deficient number, since it is larger than the sum of its proper divisors (119471611).

112002120112121 is an equidigital number, since it uses as much as digits as its factorization.

112002120112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119471610.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112002120112121 its reverse (121211021200211), we get a palindrome (233213141312332).

The spelling of 112002120112121 in words is "one hundred twelve trillion, two billion, one hundred twenty million, one hundred twelve thousand, one hundred twenty-one".