120122020111 has 16 divisors (see below), whose sum is σ = 127487929536. Its totient is φ = 112789679616.

The previous prime is 120122020079. The next prime is 120122020141. The reversal of 120122020111 is 111020221021.

It is a cyclic number.

It is not a de Polignac number, because 120122020111 - 2⁵ = 120122020079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120122020091 and 120122020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122020141) 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, 33300670 + ... + 33304276.

It is an arithmetic number, because the mean of its divisors is an integer number (7967995596).

Almost surely, 2^120122020111 is an apocalyptic number.

120122020111 is a deficient number, since it is larger than the sum of its proper divisors (7365909425).

120122020111 is a wasteful number, since it uses less digits than its factorization.

120122020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7698.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120122020111 its reverse (111020221021), we get a palindrome (231142241132).

The spelling of 120122020111 in words is "one hundred twenty billion, one hundred twenty-two million, twenty thousand, one hundred eleven".