11020321003 has 4 divisors (see below), whose sum is σ = 11033091648. Its totient is φ = 11007550360.

The previous prime is 11020320923. The next prime is 11020321021. The reversal of 11020321003 is 30012302011.

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 11020321003 - 2¹³ = 11020312811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020321033) 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, 6384028 + ... + 6385753.

It is an arithmetic number, because the mean of its divisors is an integer number (2758272912).

Almost surely, 2^11020321003 is an apocalyptic number.

11020321003 is a deficient number, since it is larger than the sum of its proper divisors (12770645).

11020321003 is an equidigital number, since it uses as much as digits as its factorization.

11020321003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12770644.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11020321003 its reverse (30012302011), we get a palindrome (41032623014).

The spelling of 11020321003 in words is "eleven billion, twenty million, three hundred twenty-one thousand, three".