12211311132011 has 16 divisors (see below), whose sum is σ = 12756068732160. Its totient is φ = 11667712758240.

The previous prime is 12211311131989. The next prime is 12211311132019. The reversal of 12211311132011 is 11023111311221.

It is a cyclic number.

It is not a de Polignac number, because 12211311132011 - 2¹⁸ = 12211310869867 is a prime.

It is a super-2 number, since 2×12211311132011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211311132019) 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, 82980245 + ... + 83127273.

It is an arithmetic number, because the mean of its divisors is an integer number (797254295760).

Almost surely, 2^{12211311132011} is an apocalyptic number.

12211311132011 is a deficient number, since it is larger than the sum of its proper divisors (544757600149).

12211311132011 is a wasteful number, since it uses less digits than its factorization.

12211311132011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150946.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 12211311132011 its reverse (11023111311221), we get a palindrome (23234422443232).

The spelling of 12211311132011 in words is "twelve trillion, two hundred eleven billion, three hundred eleven million, one hundred thirty-two thousand, eleven".