11011222201 has 16 divisors (see below), whose sum is σ = 13335663744. Its totient is φ = 8875563264.

The previous prime is 11011222139. The next prime is 11011222223. The reversal of 11011222201 is 10222211011.

It is a cyclic number.

It is not a de Polignac number, because 11011222201 - 2⁷ = 11011222073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011222801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106206 + ... + 182488.

It is an arithmetic number, because the mean of its divisors is an integer number (833478984).

Almost surely, 2^11011222201 is an apocalyptic number.

It is an amenable number.

11011222201 is a deficient number, since it is larger than the sum of its proper divisors (2324441543).

11011222201 is a wasteful number, since it uses less digits than its factorization.

11011222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77520.

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

Adding to 11011222201 its reverse (10222211011), we get a palindrome (21233433212).

The spelling of 11011222201 in words is "eleven billion, eleven million, two hundred twenty-two thousand, two hundred one".