120210111121 has 8 divisors (see below), whose sum is σ = 122034092544. Its totient is φ = 118387006320.

The previous prime is 120210111079. The next prime is 120210111137. The reversal of 120210111121 is 121111012021.

It is a happy number.

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 120210111121 - 2²¹ = 120208013969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120210121121) 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, 59856 + ... + 493966.

It is an arithmetic number, because the mean of its divisors is an integer number (15254261568).

Almost surely, 2^120210111121 is an apocalyptic number.

It is an amenable number.

120210111121 is a deficient number, since it is larger than the sum of its proper divisors (1823981423).

120210111121 is an equidigital number, since it uses as much as digits as its factorization.

120210111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438311.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120210111121 its reverse (121111012021), we get a palindrome (241321123142).

The spelling of 120210111121 in words is "one hundred twenty billion, two hundred ten million, one hundred eleven thousand, one hundred twenty-one".