12220120111011 has 16 divisors (see below), whose sum is σ = 17308394822400. Its totient is φ = 7647163522848.

The previous prime is 12220120110977. The next prime is 12220120111021. The reversal of 12220120111011 is 11011102102221.

It is a happy number.

It is not a de Polignac number, because 12220120111011 - 2¹⁷ = 12220119979939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12220120111021) 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, 983425311 + ... + 983437736.

It is an arithmetic number, because the mean of its divisors is an integer number (1081774676400).

Almost surely, 2^{12220120111011} is an apocalyptic number.

12220120111011 is a deficient number, since it is larger than the sum of its proper divisors (5088274711389).

12220120111011 is a wasteful number, since it uses less digits than its factorization.

12220120111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966863178.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12220120111011 its reverse (11011102102221), we get a palindrome (23231222213232).

The spelling of 12220120111011 in words is "twelve trillion, two hundred twenty billion, one hundred twenty million, one hundred eleven thousand, eleven".