11110220111111 has 8 divisors (see below), whose sum is σ = 12273660883200. Its totient is φ = 9972349466040.

The previous prime is 11110220111099. The next prime is 11110220111171. The reversal of 11110220111111 is 11111102201111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11110220111111 - 2⁶ = 11110220111047 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 (11110220111171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6392530841 + ... + 6392532578.

It is an arithmetic number, because the mean of its divisors is an integer number (1534207610400).

Almost surely, 2^{11110220111111} is an apocalyptic number.

11110220111111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11110220111111 is a deficient number, since it is larger than the sum of its proper divisors (1163440772089).

11110220111111 is a wasteful number, since it uses less digits than its factorization.

11110220111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12785063509.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 11110220111111 its reverse (11111102201111), we get a palindrome (22221322312222).

Subtracting 11110220111111 from its reverse (11111102201111), we obtain a square (882090000 = 29700²).

It can be divided in two parts, 111102201111 and 11, that multiplied together give a palindrome (1222124212221).

The spelling of 11110220111111 in words is "eleven trillion, one hundred ten billion, two hundred twenty million, one hundred eleven thousand, one hundred eleven".