11220311201 has 8 divisors (see below), whose sum is σ = 12241190208. Its totient is φ = 10199574000.

The previous prime is 11220311197. The next prime is 11220311233. The reversal of 11220311201 is 10211302211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11220311201 - 2² = 11220311197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11220311801) 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, 195371 + ... + 246191.

It is an arithmetic number, because the mean of its divisors is an integer number (1530148776).

Almost surely, 2^11220311201 is an apocalyptic number.

11220311201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11220311201 is a deficient number, since it is larger than the sum of its proper divisors (1020879007).

11220311201 is a wasteful number, since it uses less digits than its factorization.

11220311201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70903.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11220311201 its reverse (10211302211), we get a palindrome (21431613412).

The spelling of 11220311201 in words is "eleven billion, two hundred twenty million, three hundred eleven thousand, two hundred one".