12211100222011 has 48 divisors (see below), whose sum is σ = 13627972116640. Its totient is φ = 10908282908160.

The previous prime is 12211100221979. The next prime is 12211100222029. The reversal of 12211100222011 is 11022200111221.

It is not a de Polignac number, because 12211100222011 - 2⁵ = 12211100221979 is a prime.

It is a super-2 number, since 2×12211100222011² (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 (12211100222611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2245923385 + ... + 2245928821.

Almost surely, 2^{12211100222011} is an apocalyptic number.

12211100222011 is a deficient number, since it is larger than the sum of its proper divisors (1416871894629).

12211100222011 is a wasteful number, since it uses less digits than its factorization.

12211100222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8636 (or 8613 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12211100222011 its reverse (11022200111221), we get a palindrome (23233300333232).

The spelling of 12211100222011 in words is "twelve trillion, two hundred eleven billion, one hundred million, two hundred twenty-two thousand, eleven".