12212101111011 has 16 divisors (see below), whose sum is σ = 17241174064800. Its totient is φ = 7662245600768.

The previous prime is 12212101110997. The next prime is 12212101111031. The reversal of 12212101111011 is 11011110121221.

It is a cyclic number.

It is not a de Polignac number, because 12212101111011 - 2⁷ = 12212101110883 is a prime.

It is a super-2 number, since 2×12212101111011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12212101111031) 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, 2304216 + ... + 5452853.

It is an arithmetic number, because the mean of its divisors is an integer number (1077573379050).

Almost surely, 2^{12212101111011} is an apocalyptic number.

12212101111011 is a deficient number, since it is larger than the sum of its proper divisors (5029072953789).

12212101111011 is a wasteful number, since it uses less digits than its factorization.

12212101111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7787958.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12212101111011 its reverse (11011110121221), we get a palindrome (23223211232232).

The spelling of 12212101111011 in words is "twelve trillion, two hundred twelve billion, one hundred one million, one hundred eleven thousand, eleven".