11101222122011 has 32 divisors (see below), whose sum is σ = 13083928704000. Its totient is φ = 9220998251520.

The previous prime is 11101222121933. The next prime is 11101222122079. The reversal of 11101222122011 is 11022122210111.

It is a cyclic number.

It is not a de Polignac number, because 11101222122011 - 2¹⁸ = 11101221859867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11101222122311) 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, 33704120 + ... + 34031898.

It is an arithmetic number, because the mean of its divisors is an integer number (408872772000).

Almost surely, 2^{11101222122011} is an apocalyptic number.

11101222122011 is a deficient number, since it is larger than the sum of its proper divisors (1982706581989).

11101222122011 is a wasteful number, since it uses less digits than its factorization.

11101222122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328619.

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

Adding to 11101222122011 its reverse (11022122210111), we get a palindrome (22123344332122).

The spelling of 11101222122011 in words is "eleven trillion, one hundred one billion, two hundred twenty-two million, one hundred twenty-two thousand, eleven".