2220110121111 has 4 divisors (see below), whose sum is σ = 2960146828152. Its totient is φ = 1480073414072.

The previous prime is 2220110121091. The next prime is 2220110121127. The reversal of 2220110121111 is 1111210110222.

It is a happy number.

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 2220110121111 - 2¹⁴ = 2220110104727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220110121311) 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, 370018353516 + ... + 370018353521.

It is an arithmetic number, because the mean of its divisors is an integer number (740036707038).

Almost surely, 2^{2220110121111} is an apocalyptic number.

2220110121111 is a deficient number, since it is larger than the sum of its proper divisors (740036707041).

2220110121111 is an equidigital number, since it uses as much as digits as its factorization.

2220110121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740036707040.

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

Adding to 2220110121111 its reverse (1111210110222), we get a palindrome (3331320231333).

The spelling of 2220110121111 in words is "two trillion, two hundred twenty billion, one hundred ten million, one hundred twenty-one thousand, one hundred eleven".