12011220211101 has 8 divisors (see below), whose sum is σ = 16447797045984. Its totient is φ = 7791061758480.

The previous prime is 12011220211013. The next prime is 12011220211121. The reversal of 12011220211101 is 10111202211021.

It is a happy number.

12011220211101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12011220211101 - 2¹⁸ = 12011219948957 is a prime.

It is a super-3 number, since 3×12011220211101³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011220211121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54104595435 + ... + 54104595656.

It is an arithmetic number, because the mean of its divisors is an integer number (2055974630748).

Almost surely, 2^{12011220211101} is an apocalyptic number.

It is an amenable number.

12011220211101 is a deficient number, since it is larger than the sum of its proper divisors (4436576834883).

12011220211101 is a wasteful number, since it uses less digits than its factorization.

12011220211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108209191131.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12011220211101 its reverse (10111202211021), we get a palindrome (22122422422122).

The spelling of 12011220211101 in words is "twelve trillion, eleven billion, two hundred twenty million, two hundred eleven thousand, one hundred one".