2220221011111 has 4 divisors (see below), whose sum is σ = 2220502880232. Its totient is φ = 2219939141992.

The previous prime is 2220221011081. The next prime is 2220221011159. The reversal of 2220221011111 is 1111101220222.

2220221011111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2220221011111 - 2⁷ = 2220221010983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220221011511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140922745 + ... + 140938498.

It is an arithmetic number, because the mean of its divisors is an integer number (555125720058).

Almost surely, 2^{2220221011111} is an apocalyptic number.

2220221011111 is a deficient number, since it is larger than the sum of its proper divisors (281869121).

2220221011111 is an equidigital number, since it uses as much as digits as its factorization.

2220221011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281869120.

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

Adding to 2220221011111 its reverse (1111101220222), we get a palindrome (3331322231333).

The spelling of 2220221011111 in words is "two trillion, two hundred twenty billion, two hundred twenty-one million, eleven thousand, one hundred eleven".