120011110101 has 12 divisors (see below), whose sum is σ = 173903217228. Its totient is φ = 79751790144.

The previous prime is 120011110097. The next prime is 120011110103. The reversal of 120011110101 is 101011110021.

It can be written as a sum of positive squares in 2 ways, for example, as 51529454001 + 68481656100 = 227001^2 + 261690^2 .

It is not a de Polignac number, because 120011110101 - 2² = 120011110097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011110103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21298410 + ... + 21304043.

It is an arithmetic number, because the mean of its divisors is an integer number (14491934769).

Almost surely, 2^120011110101 is an apocalyptic number.

It is an amenable number.

120011110101 is a deficient number, since it is larger than the sum of its proper divisors (53892107127).

120011110101 is a wasteful number, since it uses less digits than its factorization.

120011110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42602772 (or 42602769 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 120011110101 its reverse (101011110021), we get a palindrome (221022220122).

The spelling of 120011110101 in words is "one hundred twenty billion, eleven million, one hundred ten thousand, one hundred one".