11211202201 has 8 divisors (see below), whose sum is σ = 11488771080. Its totient is φ = 10936079232.

The previous prime is 11211202157. The next prime is 11211202229. The reversal of 11211202201 is 10220211211.

It can be written as a sum of positive squares in 4 ways, for example, as 5135155600 + 6076046601 = 71660^2 + 77949^2 .

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 11211202201 - 2¹⁹ = 11210677913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211202231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602196 + ... + 620533.

It is an arithmetic number, because the mean of its divisors is an integer number (1436096385).

Almost surely, 2^11211202201 is an apocalyptic number.

It is an amenable number.

11211202201 is a deficient number, since it is larger than the sum of its proper divisors (277568879).

11211202201 is a wasteful number, since it uses less digits than its factorization.

11211202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222955.

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

Adding to 11211202201 its reverse (10220211211), we get a palindrome (21431413412).

The spelling of 11211202201 in words is "eleven billion, two hundred eleven million, two hundred two thousand, two hundred one".