11212020110011 has 32 divisors (see below), whose sum is σ = 13200084518400. Its totient is φ = 9518579830368.

The previous prime is 11212020109949. The next prime is 11212020110059. The reversal of 11212020110011 is 11001102021211.

It is a happy number.

It is not a de Polignac number, because 11212020110011 - 2¹¹ = 11212020107963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11212020109973 and 11212020110000.

It is not an unprimeable number, because it can be changed into a prime (11212020110411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201203725 + ... + 201259441.

It is an arithmetic number, because the mean of its divisors is an integer number (412502641200).

Almost surely, 2^{11212020110011} is an apocalyptic number.

11212020110011 is a deficient number, since it is larger than the sum of its proper divisors (1988064408389).

11212020110011 is an equidigital number, since it uses as much as digits as its factorization.

11212020110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61328 (or 61314 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11212020110011 its reverse (11001102021211), we get a palindrome (22213122131222).

The spelling of 11212020110011 in words is "eleven trillion, two hundred twelve billion, twenty million, one hundred ten thousand, eleven".