11222221201 has 16 divisors (see below), whose sum is σ = 11542662720. Its totient is φ = 10906459200.

The previous prime is 11222221183. The next prime is 11222221211. The reversal of 11222221201 is 10212222211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11222221201 - 2³³ = 2632286609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222221211) 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, 6512326 + ... + 6514048.

It is an arithmetic number, because the mean of its divisors is an integer number (721416420).

Almost surely, 2^11222221201 is an apocalyptic number.

It is an amenable number.

11222221201 is a deficient number, since it is larger than the sum of its proper divisors (320441519).

11222221201 is a wasteful number, since it uses less digits than its factorization.

11222221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11222221201 its reverse (10212222211), we get a palindrome (21434443412).

The spelling of 11222221201 in words is "eleven billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred one".