11201022222111 has 8 divisors (see below), whose sum is σ = 16594106995760. Its totient is φ = 7467348148056.

The previous prime is 11201022222059. The next prime is 11201022222113. The reversal of 11201022222111 is 11122222010211.

11201022222111 is a `hidden beast` number, since 11 + 201 + 0 + 222 + 221 + 11 = 666.

It is not a de Polignac number, because 11201022222111 - 2¹⁰ = 11201022221087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201022222113) 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, 207426337420 + ... + 207426337473.

It is an arithmetic number, because the mean of its divisors is an integer number (2074263374470).

Almost surely, 2^{11201022222111} is an apocalyptic number.

11201022222111 is a deficient number, since it is larger than the sum of its proper divisors (5393084773649).

11201022222111 is an equidigital number, since it uses as much as digits as its factorization.

11201022222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414852674902 (or 414852674896 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11201022222111 its reverse (11122222010211), we get a palindrome (22323244232322).

The spelling of 11201022222111 in words is "eleven trillion, two hundred one billion, twenty-two million, two hundred twenty-two thousand, one hundred eleven".