120112222121 has 8 divisors (see below), whose sum is σ = 126085002624. Its totient is φ = 114201984160.

The previous prime is 120112222103. The next prime is 120112222151. The reversal of 120112222121 is 121222211021.

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

It is a cyclic number.

It is not a de Polignac number, because 120112222121 - 2⁶ = 120112222057 is a prime.

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 120112222121.

It is not an unprimeable number, because it can be changed into a prime (120112222151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15631700 + ... + 15639381.

It is an arithmetic number, because the mean of its divisors is an integer number (15760625328).

Almost surely, 2^120112222121 is an apocalyptic number.

It is an amenable number.

120112222121 is a deficient number, since it is larger than the sum of its proper divisors (5972780503).

120112222121 is a wasteful number, since it uses less digits than its factorization.

120112222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31271271.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120112222121 its reverse (121222211021), we get a palindrome (241334433142).

The spelling of 120112222121 in words is "one hundred twenty billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twenty-one".