12011100320011 has 16 divisors (see below), whose sum is σ = 12965603914368. Its totient is φ = 11060966505600.

The previous prime is 12011100319993. The next prime is 12011100320057. The reversal of 12011100320011 is 11002300111021.

It is a happy number.

12011100320011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12011100320011 - 2¹¹ = 12011100317963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011100319973 and 12011100320000.

It is not an unprimeable number, because it can be changed into a prime (12011100323011) 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, 243801121 + ... + 243850381.

It is an arithmetic number, because the mean of its divisors is an integer number (810350244648).

Almost surely, 2^{12011100320011} is an apocalyptic number.

12011100320011 is a deficient number, since it is larger than the sum of its proper divisors (954503594357).

12011100320011 is a wasteful number, since it uses less digits than its factorization.

12011100320011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93222.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12011100320011 its reverse (11002300111021), we get a palindrome (23013400431032).

The spelling of 12011100320011 in words is "twelve trillion, eleven billion, one hundred million, three hundred twenty thousand, eleven".