11100120111001 has 8 divisors (see below), whose sum is σ = 11125949551200. Its totient is φ = 11074308005280.

The previous prime is 11100120110971. The next prime is 11100120111011. The reversal of 11100120111001 is 10011102100111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11100120111001 - 2¹⁵ = 11100120078233 is a prime.

It is a super-2 number, since 2×11100120111001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100120111011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3050991 + ... + 5613268.

It is an arithmetic number, because the mean of its divisors is an integer number (1390743693900).

Almost surely, 2^{11100120111001} is an apocalyptic number.

It is an amenable number.

11100120111001 is a deficient number, since it is larger than the sum of its proper divisors (25829440199).

11100120111001 is an equidigital number, since it uses as much as digits as its factorization.

11100120111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8667239.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11100120111001 its reverse (10011102100111), we get a palindrome (21111222211112).

The spelling of 11100120111001 in words is "eleven trillion, one hundred billion, one hundred twenty million, one hundred eleven thousand, one".