11120120111100 has 432 divisors, whose sum is σ = 43526222587904. Its totient is φ = 2132929497600.

The previous prime is 11120120111069. The next prime is 11120120111117. The reversal of 11120120111100 is 111102102111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1620117 + ... + 4986483.

Almost surely, 2^{11120120111100} is an apocalyptic number.

11120120111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11120120111100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21763111293952).

11120120111100 is an abundant number, since it is smaller than the sum of its proper divisors (32406102476804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11120120111100 is a wasteful number, since it uses less digits than its factorization.

11120120111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366426 (or 3366408 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11120120111100 its reverse (111102102111), we get a palindrome (11231222213211).

The spelling of 11120120111100 in words is "eleven trillion, one hundred twenty billion, one hundred twenty million, one hundred eleven thousand, one hundred".