11000201211221 has 8 divisors (see below), whose sum is σ = 11015173669440. Its totient is φ = 10985236815168.

The previous prime is 11000201211199. The next prime is 11000201211229. The reversal of 11000201211221 is 12211210200011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11000201211221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11000201211196 and 11000201211205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000201211229) 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, 717680 + ... + 4745046.

It is an arithmetic number, because the mean of its divisors is an integer number (1376896708680).

Almost surely, 2^{11000201211221} is an apocalyptic number.

It is an amenable number.

11000201211221 is a deficient number, since it is larger than the sum of its proper divisors (14972458219).

11000201211221 is a wasteful number, since it uses less digits than its factorization.

11000201211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031083.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11000201211221 its reverse (12211210200011), we get a palindrome (23211411411232).

The spelling of 11000201211221 in words is "eleven trillion, two hundred one million, two hundred eleven thousand, two hundred twenty-one".