11011100010120 has 1536 divisors, whose sum is σ = 45414132940800. Its totient is φ = 2257403904000.

The previous prime is 11011100010107. The next prime is 11011100010149. The reversal of 11011100010120 is 2101000111011.

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 an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 16361218104 + ... + 16361218776.

It is an arithmetic number, because the mean of its divisors is an integer number (29566492800).

Almost surely, 2^{11011100010120} is an apocalyptic number.

11011100010120 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 11011100010120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22707066470400).

11011100010120 is an abundant number, since it is smaller than the sum of its proper divisors (34403032930680).

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

11011100010120 is a wasteful number, since it uses less digits than its factorization.

11011100010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11011100010120 its reverse (2101000111011), we get a palindrome (13112100121131).

The spelling of 11011100010120 in words is "eleven trillion, eleven billion, one hundred million, ten thousand, one hundred twenty".