12011201120101 has 16 divisors (see below), whose sum is σ = 12830988297600. Its totient is φ = 11223403063488.

The previous prime is 12011201120071. The next prime is 12011201120179. The reversal of 12011201120101 is 10102110211021.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011201120101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011201120701) 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, 44047921 + ... + 44319766.

It is an arithmetic number, because the mean of its divisors is an integer number (801936768600).

Almost surely, 2^{12011201120101} is an apocalyptic number.

It is an amenable number.

12011201120101 is a deficient number, since it is larger than the sum of its proper divisors (819787177499).

12011201120101 is a wasteful number, since it uses less digits than its factorization.

12011201120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88367868.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12011201120101 its reverse (10102110211021), we get a palindrome (22113311331122).

The spelling of 12011201120101 in words is "twelve trillion, eleven billion, two hundred one million, one hundred twenty thousand, one hundred one".