12220220111011 has 16 divisors (see below), whose sum is σ = 13615109752320. Its totient is φ = 10872668306080.

The previous prime is 12220220111003. The next prime is 12220220111041. The reversal of 12220220111011 is 11011102202221.

It is a cyclic number.

It is not a de Polignac number, because 12220220111011 - 2³ = 12220220111003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220220111041) 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, 23832840 + ... + 24340186.

It is an arithmetic number, because the mean of its divisors is an integer number (850944359520).

Almost surely, 2^{12220220111011} is an apocalyptic number.

12220220111011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12220220111011 is a deficient number, since it is larger than the sum of its proper divisors (1394889641309).

12220220111011 is a wasteful number, since it uses less digits than its factorization.

12220220111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553994.

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

Adding to 12220220111011 its reverse (11011102202221), we get a palindrome (23231322313232).

The spelling of 12220220111011 in words is "twelve trillion, two hundred twenty billion, two hundred twenty million, one hundred eleven thousand, eleven".