11020013011 has 8 divisors (see below), whose sum is σ = 12800765024. Its totient is φ = 9290877120.

The previous prime is 11020012921. The next prime is 11020013027. The reversal of 11020013011 is 11031002011.

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

It is not a de Polignac number, because 11020013011 - 2²¹ = 11017915859 is a prime.

It is a super-2 number, since 2×11020013011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020014011) 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, 12903570 + ... + 12904423.

It is an arithmetic number, because the mean of its divisors is an integer number (1600095628).

Almost surely, 2^11020013011 is an apocalyptic number.

11020013011 is a deficient number, since it is larger than the sum of its proper divisors (1780752013).

11020013011 is an equidigital number, since it uses as much as digits as its factorization.

11020013011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25808061.

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

Adding to 11020013011 its reverse (11031002011), we get a palindrome (22051015022).

The spelling of 11020013011 in words is "eleven billion, twenty million, thirteen thousand, eleven".