120120210111 has 16 divisors (see below), whose sum is σ = 176450214528. Its totient is φ = 72079332000.

The previous prime is 120120210107. The next prime is 120120210149. The reversal of 120120210111 is 111012021021.

It is not a de Polignac number, because 120120210111 - 2² = 120120210107 is a prime.

It is a super-2 number, since 2×120120210111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120120210151) 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, 18016501 + ... + 18023166.

It is an arithmetic number, because the mean of its divisors is an integer number (11028138408).

Almost surely, 2^120120210111 is an apocalyptic number.

120120210111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120120210111 is a deficient number, since it is larger than the sum of its proper divisors (56330004417).

120120210111 is a wasteful number, since it uses less digits than its factorization.

120120210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36039782.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120120210111 its reverse (111012021021), we get a palindrome (231132231132).

The spelling of 120120210111 in words is "one hundred twenty billion, one hundred twenty million, two hundred ten thousand, one hundred eleven".