11201122122011 has 8 divisors (see below), whose sum is σ = 11210003138880. Its totient is φ = 11192244417928.

The previous prime is 11201122121999. The next prime is 11201122122023. The reversal of 11201122122011 is 11022122110211.

It is an interprime number because it is at equal distance from previous prime (11201122121999) and next prime (11201122122023).

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 11201122122011 - 2⁶ = 11201122121947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201122122611) 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, 5958860 + ... + 7609878.

It is an arithmetic number, because the mean of its divisors is an integer number (1401250392360).

Almost surely, 2^{11201122122011} is an apocalyptic number.

11201122122011 is a deficient number, since it is larger than the sum of its proper divisors (8881016869).

11201122122011 is a wasteful number, since it uses less digits than its factorization.

11201122122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656393.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11201122122011 its reverse (11022122110211), we get a palindrome (22223244232222).

The spelling of 11201122122011 in words is "eleven trillion, two hundred one billion, one hundred twenty-two million, one hundred twenty-two thousand, eleven".