120111210011 has 24 divisors (see below), whose sum is σ = 131404116240. Its totient is φ = 109729191936.

The previous prime is 120111209957. The next prime is 120111210097. The reversal of 120111210011 is 110012111021.

It is a de Polignac number, because none of the positive numbers 2^k-120111210011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120111209974 and 120111210001.

It is not an unprimeable number, because it can be changed into a prime (120111210311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23306411 + ... + 23311563.

It is an arithmetic number, because the mean of its divisors is an integer number (5475171510).

Almost surely, 2^120111210011 is an apocalyptic number.

120111210011 is a deficient number, since it is larger than the sum of its proper divisors (11292906229).

120111210011 is a wasteful number, since it uses less digits than its factorization.

120111210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6575 (or 6562 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 120111210011 its reverse (110012111021), we get a palindrome (230123321032).

The spelling of 120111210011 in words is "one hundred twenty billion, one hundred eleven million, two hundred ten thousand, eleven".