11112020221011 has 32 divisors (see below), whose sum is σ = 15766925529600. Its totient is φ = 6945599341824.

The previous prime is 11112020220923. The next prime is 11112020221019. The reversal of 11112020221011 is 11012202021111.

It is a happy number.

It is not a de Polignac number, because 11112020221011 - 2¹¹ = 11112020218963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11112020221019) 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, 2387880 + ... + 5284506.

It is an arithmetic number, because the mean of its divisors is an integer number (492716422800).

Almost surely, 2^{11112020221011} is an apocalyptic number.

11112020221011 is a deficient number, since it is larger than the sum of its proper divisors (4654905308589).

11112020221011 is a wasteful number, since it uses less digits than its factorization.

11112020221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897755.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11112020221011 its reverse (11012202021111), we get a palindrome (22124222242122).

The spelling of 11112020221011 in words is "eleven trillion, one hundred twelve billion, twenty million, two hundred twenty-one thousand, eleven".