11220020001111 has 16 divisors (see below), whose sum is σ = 15268707896544. Its totient is φ = 7326161915904.

The previous prime is 11220020001089. The next prime is 11220020001131. The reversal of 11220020001111 is 11110002002211.

It is not a de Polignac number, because 11220020001111 - 2²³ = 11220011612503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220020001131) 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, 61057446 + ... + 61240931.

It is an arithmetic number, because the mean of its divisors is an integer number (954294243534).

Almost surely, 2^{11220020001111} is an apocalyptic number.

11220020001111 is a deficient number, since it is larger than the sum of its proper divisors (4048687895433).

11220020001111 is a wasteful number, since it uses less digits than its factorization.

11220020001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122299010.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11220020001111 its reverse (11110002002211), we get a palindrome (22330022003322).

The spelling of 11220020001111 in words is "eleven trillion, two hundred twenty billion, twenty million, one thousand, one hundred eleven".