11001201000120 has 96 divisors (see below), whose sum is σ = 36720225004320. Its totient is φ = 2854365661440.

The previous prime is 11001201000113. The next prime is 11001201000131. The reversal of 11001201000120 is 2100010210011.

It is a happy number.

11001201000120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 412944676 + ... + 412971315.

It is an arithmetic number, because the mean of its divisors is an integer number (382502343795).

Almost surely, 2^{11001201000120} is an apocalyptic number.

11001201000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001201000120 is an abundant number, since it is smaller than the sum of its proper divisors (25719024004200).

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

11001201000120 is a wasteful number, since it uses less digits than its factorization.

11001201000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825916045 (or 825916038 counting only the distinct ones).

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

Adding to 11001201000120 its reverse (2100010210011), we get a palindrome (13101211210131).

The spelling of 11001201000120 in words is "eleven trillion, one billion, two hundred one million, one hundred twenty", and thus it is an aban number.