120112222211121 has 16 divisors (see below), whose sum is σ = 183031023588224. Its totient is φ = 68634477252864.

The previous prime is 120112222211077. The next prime is 120112222211141. The reversal of 120112222211121 is 121112222211021.

It is not a de Polignac number, because 120112222211121 - 2¹¹ = 120112222209073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (120112222211141) 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, 43559530 + ... + 46234803.

It is an arithmetic number, because the mean of its divisors is an integer number (11439438974264).

Almost surely, 2^{120112222211121} is an apocalyptic number.

It is an amenable number.

120112222211121 is a deficient number, since it is larger than the sum of its proper divisors (62918801377103).

120112222211121 is an equidigital number, since it uses as much as digits as its factorization.

120112222211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89858040.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 120112222211121 its reverse (121112222211021), we get a palindrome (241224444422142).

The spelling of 120112222211121 in words is "one hundred twenty trillion, one hundred twelve billion, two hundred twenty-two million, two hundred eleven thousand, one hundred twenty-one".