112020122121 has 8 divisors (see below), whose sum is σ = 149899370304. Its totient is φ = 74410477680.

The previous prime is 112020122113. The next prime is 112020122171. The reversal of 112020122121 is 121221020211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112020122121 - 2³ = 112020122113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112020122121.

It is not an unprimeable number, because it can be changed into a prime (112020122171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67399965 + ... + 67401626.

It is an arithmetic number, because the mean of its divisors is an integer number (18737421288).

Almost surely, 2^112020122121 is an apocalyptic number.

It is an amenable number.

112020122121 is a deficient number, since it is larger than the sum of its proper divisors (37879248183).

112020122121 is a wasteful number, since it uses less digits than its factorization.

112020122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134801871.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112020122121 its reverse (121221020211), we get a palindrome (233241142332).

The spelling of 112020122121 in words is "one hundred twelve billion, twenty million, one hundred twenty-two thousand, one hundred twenty-one".