11221121120201 has 8 divisors (see below), whose sum is σ = 11442754219680. Its totient is φ = 11001650295168.

The previous prime is 11221121120177. The next prime is 11221121120273. The reversal of 11221121120201 is 10202112112211.

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 11221121120201 - 2²⁶ = 11221054011337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11221121120201.

It is not an unprimeable number, because it can be changed into a prime (11221121120701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540558131 + ... + 540578888.

It is an arithmetic number, because the mean of its divisors is an integer number (1430344277460).

Almost surely, 2^{11221121120201} is an apocalyptic number.

It is an amenable number.

11221121120201 is a deficient number, since it is larger than the sum of its proper divisors (221633099479).

11221121120201 is a wasteful number, since it uses less digits than its factorization.

11221121120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081137223.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11221121120201 its reverse (10202112112211), we get a palindrome (21423233232412).

The spelling of 11221121120201 in words is "eleven trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twenty thousand, two hundred one".