2220211221111 has 24 divisors (see below), whose sum is σ = 3603821116896. Its totient is φ = 1306880182080.

The previous prime is 2220211221101. The next prime is 2220211221119. The reversal of 2220211221111 is 1111221120222.

2220211221111 is a `hidden beast` number, since 2 + 220 + 211 + 221 + 1 + 11 = 666.

It is not a de Polignac number, because 2220211221111 - 2⁹ = 2220211220599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220211221119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 412522620 + ... + 412528001.

It is an arithmetic number, because the mean of its divisors is an integer number (150159213204).

Almost surely, 2^{2220211221111} is an apocalyptic number.

2220211221111 is a deficient number, since it is larger than the sum of its proper divisors (1383609895785).

2220211221111 is a wasteful number, since it uses less digits than its factorization.

2220211221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825050663 (or 825050660 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2220211221111 its reverse (1111221120222), we get a palindrome (3331432341333).

The spelling of 2220211221111 in words is "two trillion, two hundred twenty billion, two hundred eleven million, two hundred twenty-one thousand, one hundred eleven".