11221111201 has 8 divisors (see below), whose sum is σ = 11612203200. Its totient is φ = 10830296400.

The previous prime is 11221111183. The next prime is 11221111243. The reversal of 11221111201 is 10211112211.

It is a happy number.

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 11221111201 - 2¹⁹ = 11220586913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11221111501) 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, 14820 + ... + 150538.

It is an arithmetic number, because the mean of its divisors is an integer number (1451525400).

Almost surely, 2^11221111201 is an apocalyptic number.

It is an amenable number.

11221111201 is a deficient number, since it is larger than the sum of its proper divisors (391091999).

11221111201 is a wasteful number, since it uses less digits than its factorization.

11221111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138599.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11221111201 its reverse (10211112211), we get a palindrome (21432223412).

The spelling of 11221111201 in words is "eleven billion, two hundred twenty-one million, one hundred eleven thousand, two hundred one".