120120020111 has 32 divisors (see below), whose sum is σ = 153595128960. Its totient is φ = 91368474624.

The previous prime is 120120020101. The next prime is 120120020113. The reversal of 120120020111 is 111020021021.

It is not a de Polignac number, because 120120020111 - 2⁶ = 120120020047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120120020092 and 120120020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120120020113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517211 + ... + 712563.

It is an arithmetic number, because the mean of its divisors is an integer number (4799847780).

Almost surely, 2^120120020111 is an apocalyptic number.

120120020111 is a deficient number, since it is larger than the sum of its proper divisors (33475108849).

120120020111 is a wasteful number, since it uses less digits than its factorization.

120120020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195635.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120120020111 its reverse (111020021021), we get a palindrome (231140041132).

The spelling of 120120020111 in words is "one hundred twenty billion, one hundred twenty million, twenty thousand, one hundred eleven".