11101020404443 has 4 divisors (see below), whose sum is σ = 11107919735080. Its totient is φ = 11094121073808.

The previous prime is 11101020404423. The next prime is 11101020404557. The reversal of 11101020404443 is 34440402010111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11101020404443 - 2⁹ = 11101020403931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101020404423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3449662905 + ... + 3449666122.

It is an arithmetic number, because the mean of its divisors is an integer number (2776979933770).

Almost surely, 2^{11101020404443} is an apocalyptic number.

11101020404443 is a deficient number, since it is larger than the sum of its proper divisors (6899330637).

11101020404443 is an equidigital number, since it uses as much as digits as its factorization.

11101020404443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6899330636.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 11101020404443 its reverse (34440402010111), we get a palindrome (45541422414554).

The spelling of 11101020404443 in words is "eleven trillion, one hundred one billion, twenty million, four hundred four thousand, four hundred forty-three".