11100010020120 has 576 divisors, whose sum is σ = 42227801928000. Its totient is φ = 2477075005440.

The previous prime is 11100010020109. The next prime is 11100010020137. The reversal of 11100010020120 is 2102001000111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

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, 2499437100 + ... + 2499441540.

It is an arithmetic number, because the mean of its divisors is an integer number (73312156125).

Almost surely, 2^{11100010020120} is an apocalyptic number.

11100010020120 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 11100010020120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21113900964000).

11100010020120 is an abundant number, since it is smaller than the sum of its proper divisors (31127791907880).

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

11100010020120 is a wasteful number, since it uses less digits than its factorization.

11100010020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5008 (or 4954 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11100010020120 its reverse (2102001000111), we get a palindrome (13202011020231).

The spelling of 11100010020120 in words is "eleven trillion, one hundred billion, ten million, twenty thousand, one hundred twenty".