11201222011 has 8 divisors (see below), whose sum is σ = 12803956704. Its totient is φ = 9599127360.

The previous prime is 11201221883. The next prime is 11201222023. The reversal of 11201222011 is 11022210211.

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

It is a cyclic number.

It is not a de Polignac number, because 11201222011 - 2⁷ = 11201221883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11201221982 and 11201222000.

It is not an unprimeable number, because it can be changed into a prime (11201222311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121900 + ... + 193033.

It is an arithmetic number, because the mean of its divisors is an integer number (1600494588).

Almost surely, 2^11201222011 is an apocalyptic number.

11201222011 is a deficient number, since it is larger than the sum of its proper divisors (1602734693).

11201222011 is an equidigital number, since it uses as much as digits as its factorization.

11201222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320021.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11201222011 its reverse (11022210211), we get a palindrome (22223432222).

The spelling of 11201222011 in words is "eleven billion, two hundred one million, two hundred twenty-two thousand, eleven".