11100120443 has 8 divisors (see below), whose sum is σ = 11158414848. Its totient is φ = 11041908904.

The previous prime is 11100120439. The next prime is 11100120457. The reversal of 11100120443 is 34402100111.

It is a happy number.

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 11100120443 - 2² = 11100120439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100120043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257630 + ... + 297612.

It is an arithmetic number, because the mean of its divisors is an integer number (1394801856).

Almost surely, 2^11100120443 is an apocalyptic number.

11100120443 is a deficient number, since it is larger than the sum of its proper divisors (58294405).

11100120443 is a wasteful number, since it uses less digits than its factorization.

11100120443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41433.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11100120443 its reverse (34402100111), we get a palindrome (45502220554).

The spelling of 11100120443 in words is "eleven billion, one hundred million, one hundred twenty thousand, four hundred forty-three".