120210111111 has 16 divisors (see below), whose sum is σ = 160954550784. Its totient is φ = 79803070464.

The previous prime is 120210111079. The next prime is 120210111137. The reversal of 120210111111 is 111111012021.

It is not a de Polignac number, because 120210111111 - 2⁵ = 120210111079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120210111211) 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, 2603916 + ... + 2649678.

It is an arithmetic number, because the mean of its divisors is an integer number (10059659424).

Almost surely, 2^120210111111 is an apocalyptic number.

120210111111 is a deficient number, since it is larger than the sum of its proper divisors (40744439673).

120210111111 is a wasteful number, since it uses less digits than its factorization.

120210111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49430.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 120210111111 its reverse (111111012021), we get a palindrome (231321123132).

The spelling of 120210111111 in words is "one hundred twenty billion, two hundred ten million, one hundred eleven thousand, one hundred eleven".