120111000121 has 8 divisors (see below), whose sum is σ = 141697769984. Its totient is φ = 99631244160.

The previous prime is 120111000109. The next prime is 120111000151. The reversal of 120111000121 is 121000111021.

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

It is not a de Polignac number, because 120111000121 - 2²³ = 120102611513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120111000098 and 120111000107.

It is not an unprimeable number, because it can be changed into a prime (120111000151) 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, 276753240 + ... + 276753673.

It is an arithmetic number, because the mean of its divisors is an integer number (17712221248).

Almost surely, 2^120111000121 is an apocalyptic number.

It is an amenable number.

120111000121 is a deficient number, since it is larger than the sum of its proper divisors (21586769863).

120111000121 is an equidigital number, since it uses as much as digits as its factorization.

120111000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553506951.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120111000121 its reverse (121000111021), we get a palindrome (241111111142).

The spelling of 120111000121 in words is "one hundred twenty billion, one hundred eleven million, one hundred twenty-one", and thus it is an aban number.