11220120000111 has 32 divisors (see below), whose sum is σ = 16884772416000. Its totient is φ = 6564874538880.

The previous prime is 11220120000107. The next prime is 11220120000113. The reversal of 11220120000111 is 11100002102211.

It is not a de Polignac number, because 11220120000111 - 2² = 11220120000107 is a prime.

It is a super-5 number, since 5×11220120000111⁵ (a number of 66 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220120000113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8246190 + ... + 9509988.

It is an arithmetic number, because the mean of its divisors is an integer number (527649138000).

Almost surely, 2^{11220120000111} is an apocalyptic number.

11220120000111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11220120000111 is a deficient number, since it is larger than the sum of its proper divisors (5664652415889).

11220120000111 is a wasteful number, since it uses less digits than its factorization.

11220120000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273119.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11220120000111 its reverse (11100002102211), we get a palindrome (22320122102322).

The spelling of 11220120000111 in words is "eleven trillion, two hundred twenty billion, one hundred twenty million, one hundred eleven", and thus it is an aban number.