12011111022201 has 16 divisors (see below), whose sum is σ = 16387669442496. Its totient is φ = 7820989456896.

The previous prime is 12011111022191. The next prime is 12011111022203. The reversal of 12011111022201 is 10222011111021.

It is a happy number.

It is not a de Polignac number, because 12011111022201 - 2⁶ = 12011111022137 is a prime.

It is a super-2 number, since 2×12011111022201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12011111022203) 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 15 ways as a sum of consecutive naturals, for example, 3988701 + ... + 6319173.

It is an arithmetic number, because the mean of its divisors is an integer number (1024229340156).

Almost surely, 2^{12011111022201} is an apocalyptic number.

It is an amenable number.

12011111022201 is a deficient number, since it is larger than the sum of its proper divisors (4376558420295).

12011111022201 is a wasteful number, since it uses less digits than its factorization.

12011111022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370472.

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

Adding to 12011111022201 its reverse (10222011111021), we get a palindrome (22233122133222).

The spelling of 12011111022201 in words is "twelve trillion, eleven billion, one hundred eleven million, twenty-two thousand, two hundred one".