11101001000120 has 16 divisors (see below), whose sum is σ = 24977252250360. Its totient is φ = 4440400400032.

The previous prime is 11101001000119. The next prime is 11101001000129. The reversal of 11101001000120 is 2100010010111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 11101001000098 and 11101001000107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101001000129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138762512462 + ... + 138762512541.

Almost surely, 2^{11101001000120} is an apocalyptic number.

11101001000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101001000120 is an abundant number, since it is smaller than the sum of its proper divisors (13876251250240).

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

11101001000120 is a wasteful number, since it uses less digits than its factorization.

11101001000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277525025014 (or 277525025010 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11101001000120 its reverse (2100010010111), we get a palindrome (13201011010231).

Subtracting from 11101001000120 its reverse (2100010010111), we obtain a palindrome (9000990990009).

The spelling of 11101001000120 in words is "eleven trillion, one hundred one billion, one million, one hundred twenty", and thus it is an aban number.