11103020221033 has 4 divisors (see below), whose sum is σ = 11957098699588. Its totient is φ = 10248941742480.

The previous prime is 11103020220967. The next prime is 11103020221049. The reversal of 11103020221033 is 33012202030111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4663215664704 + 6439804556329 = 2159448^2 + 2537677^2 .

It is a cyclic number.

It is not a de Polignac number, because 11103020221033 - 2²¹ = 11103018123881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11103020221033.

It is not an unprimeable number, because it can be changed into a prime (11103020228033) 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, 427039239258 + ... + 427039239283.

It is an arithmetic number, because the mean of its divisors is an integer number (2989274674897).

Almost surely, 2^{11103020221033} is an apocalyptic number.

11103020221033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11103020221033 is a deficient number, since it is larger than the sum of its proper divisors (854078478555).

11103020221033 is an equidigital number, since it uses as much as digits as its factorization.

11103020221033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854078478554.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11103020221033 its reverse (33012202030111), we get a palindrome (44115222251144).

The spelling of 11103020221033 in words is "eleven trillion, one hundred three billion, twenty million, two hundred twenty-one thousand, thirty-three".