11020001011003 has 4 divisors (see below), whose sum is σ = 11023293515400. Its totient is φ = 11016708506608.

The previous prime is 11020001010989. The next prime is 11020001011037. The reversal of 11020001011003 is 30011010002011.

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 11020001011003 - 2³³ = 11011411076411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020001041003) 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, 1646247178 + ... + 1646253871.

It is an arithmetic number, because the mean of its divisors is an integer number (2755823378850).

Almost surely, 2^{11020001011003} is an apocalyptic number.

11020001011003 is a deficient number, since it is larger than the sum of its proper divisors (3292504397).

11020001011003 is an equidigital number, since it uses as much as digits as its factorization.

11020001011003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292504396.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 11020001011003 its reverse (30011010002011), we get a palindrome (41031011013014).

The spelling of 11020001011003 in words is "eleven trillion, twenty billion, one million, eleven thousand, three".