120122110111 has 4 divisors (see below), whose sum is σ = 120206171800. Its totient is φ = 120038048424.

The previous prime is 120122110067. The next prime is 120122110217. The reversal of 120122110111 is 111011221021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120122110111 - 2⁷ = 120122109983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120122110091 and 120122110100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122110811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42028701 + ... + 42031558.

It is an arithmetic number, because the mean of its divisors is an integer number (30051542950).

Almost surely, 2^120122110111 is an apocalyptic number.

120122110111 is a deficient number, since it is larger than the sum of its proper divisors (84061689).

120122110111 is an equidigital number, since it uses as much as digits as its factorization.

120122110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84061688.

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

Adding to 120122110111 its reverse (111011221021), we get a palindrome (231133331132).

The spelling of 120122110111 in words is "one hundred twenty billion, one hundred twenty-two million, one hundred ten thousand, one hundred eleven".