11020021303 has 16 divisors (see below), whose sum is σ = 11649738240. Its totient is φ = 10403119584.

The previous prime is 11020021301. The next prime is 11020021321. The reversal of 11020021303 is 30312002011.

It is a cyclic number.

It is not a de Polignac number, because 11020021303 - 2¹ = 11020021301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020021301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2313238 + ... + 2317996.

It is an arithmetic number, because the mean of its divisors is an integer number (728108640).

Almost surely, 2^11020021303 is an apocalyptic number.

11020021303 is a deficient number, since it is larger than the sum of its proper divisors (629716937).

11020021303 is a wasteful number, since it uses less digits than its factorization.

11020021303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6078.

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

Adding to 11020021303 its reverse (30312002011), we get a palindrome (41332023314).

The spelling of 11020021303 in words is "eleven billion, twenty million, twenty-one thousand, three hundred three".