11220011122111 has 8 divisors (see below), whose sum is σ = 12240197259264. Its totient is φ = 10199855839320.

The previous prime is 11220011122109. The next prime is 11220011122141. The reversal of 11220011122111 is 11122111002211.

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 11220011122111 - 2¹ = 11220011122109 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220011122141) 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, 6949951 + ... + 8410816.

It is an arithmetic number, because the mean of its divisors is an integer number (1530024657408).

Almost surely, 2^{11220011122111} is an apocalyptic number.

11220011122111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11220011122111 is a deficient number, since it is larger than the sum of its proper divisors (1020186137153).

11220011122111 is a wasteful number, since it uses less digits than its factorization.

11220011122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15427181.

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

Adding to 11220011122111 its reverse (11122111002211), we get a palindrome (22342122124322).

The spelling of 11220011122111 in words is "eleven trillion, two hundred twenty billion, eleven million, one hundred twenty-two thousand, one hundred eleven".