12011121100001 has 8 divisors (see below), whose sum is σ = 12024200732544. Its totient is φ = 11998044782320.

The previous prime is 12011121099997. The next prime is 12011121100003. The reversal of 12011121100001 is 10000112111021.

12011121100001 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 a cyclic number.

It is not a de Polignac number, because 12011121100001 - 2² = 12011121099997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12011121100003) 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, 6456890 + ... + 8106396.

It is an arithmetic number, because the mean of its divisors is an integer number (1503025091568).

Almost surely, 2^{12011121100001} is an apocalyptic number.

It is an amenable number.

12011121100001 is a deficient number, since it is larger than the sum of its proper divisors (13079632543).

12011121100001 is a wasteful number, since it uses less digits than its factorization.

12011121100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657431.

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

Adding to 12011121100001 its reverse (10000112111021), we get a palindrome (22011233211022).

The spelling of 12011121100001 in words is "twelve trillion, eleven billion, one hundred twenty-one million, one hundred thousand, one".