11001020021103 has 8 divisors (see below), whose sum is σ = 16763459079808. Its totient is φ = 6286297154904.

The previous prime is 11001020021093. The next prime is 11001020021149. The reversal of 11001020021103 is 30112002010011.

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

It is not a de Polignac number, because 11001020021103 - 2⁹ = 11001020020591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001020026103) 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, 261929048101 + ... + 261929048142.

It is an arithmetic number, because the mean of its divisors is an integer number (2095432384976).

Almost surely, 2^{11001020021103} is an apocalyptic number.

11001020021103 is a deficient number, since it is larger than the sum of its proper divisors (5762439058705).

11001020021103 is an equidigital number, since it uses as much as digits as its factorization.

11001020021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523858096253.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11001020021103 its reverse (30112002010011), we get a palindrome (41113022031114).

The spelling of 11001020021103 in words is "eleven trillion, one billion, twenty million, twenty-one thousand, one hundred three".