11011220111201 has 8 divisors (see below), whose sum is σ = 11757177389760. Its totient is φ = 10287530214192.

The previous prime is 11011220111197. The next prime is 11011220111231. The reversal of 11011220111201 is 10211102211011.

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 11011220111201 - 2² = 11011220111197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011220111231) 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, 5566844366 + ... + 5566846343.

It is an arithmetic number, because the mean of its divisors is an integer number (1469647173720).

Almost surely, 2^{11011220111201} is an apocalyptic number.

It is an amenable number.

11011220111201 is a deficient number, since it is larger than the sum of its proper divisors (745957278559).

11011220111201 is a wasteful number, since it uses less digits than its factorization.

11011220111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11133690775.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11011220111201 its reverse (10211102211011), we get a palindrome (21222322322212).

The spelling of 11011220111201 in words is "eleven trillion, eleven billion, two hundred twenty million, one hundred eleven thousand, two hundred one".