12211100120011 has 16 divisors (see below), whose sum is σ = 13160152986624. Its totient is φ = 11263440261024.

The previous prime is 12211100119909. The next prime is 12211100120033. The reversal of 12211100120011 is 11002100111221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12211100120011 - 2¹⁷ = 12211099988939 is a prime.

It is a super-2 number, since 2×12211100120011² (a number of 27 digits) contains 22 as substring.

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 = 12211100119973 and 12211100120000.

It is not an unprimeable number, because it can be changed into a prime (12211100120081) 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, 171316966 + ... + 171388228.

It is an arithmetic number, because the mean of its divisors is an integer number (822509561664).

Almost surely, 2^{12211100120011} is an apocalyptic number.

12211100120011 is a deficient number, since it is larger than the sum of its proper divisors (949052866613).

12211100120011 is a wasteful number, since it uses less digits than its factorization.

12211100120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80850.

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

Adding to 12211100120011 its reverse (11002100111221), we get a palindrome (23213200231232).

The spelling of 12211100120011 in words is "twelve trillion, two hundred eleven billion, one hundred million, one hundred twenty thousand, eleven".