12011120210011 has 12 divisors (see below), whose sum is σ = 13308592264968. Its totient is φ = 10829346300864.

The previous prime is 12011120209981. The next prime is 12011120210069. The reversal of 12011120210011 is 11001202111021.

It is a happy number.

It is not a de Polignac number, because 12011120210011 - 2¹³ = 12011120201819 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 12011120209973 and 12011120210000.

It is not an unprimeable number, because it can be changed into a prime (12011120210081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 826408050 + ... + 826422583.

It is an arithmetic number, because the mean of its divisors is an integer number (1109049355414).

Almost surely, 2^{12011120210011} is an apocalyptic number.

12011120210011 is a deficient number, since it is larger than the sum of its proper divisors (1297472054957).

12011120210011 is a wasteful number, since it uses less digits than its factorization.

12011120210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652830702 (or 1652830689 counting only the distinct ones).

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

Adding to 12011120210011 its reverse (11001202111021), we get a palindrome (23012322321032).

The spelling of 12011120210011 in words is "twelve trillion, eleven billion, one hundred twenty million, two hundred ten thousand, eleven".