11221000222201 has 32 divisors (see below), whose sum is σ = 14132461651200. Its totient is φ = 8654535168000.

The previous prime is 11221000222189. The next prime is 11221000222279. The reversal of 11221000222201 is 10222200012211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11221000222201 - 2¹¹ = 11221000220153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221000822201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26613705 + ... + 27032041.

It is an arithmetic number, because the mean of its divisors is an integer number (441639426600).

Almost surely, 2^{11221000222201} is an apocalyptic number.

11221000222201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11221000222201 is a deficient number, since it is larger than the sum of its proper divisors (2911461428999).

11221000222201 is a wasteful number, since it uses less digits than its factorization.

11221000222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421905.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11221000222201 its reverse (10222200012211), we get a palindrome (21443200234412).

The spelling of 11221000222201 in words is "eleven trillion, two hundred twenty-one billion, two hundred twenty-two thousand, two hundred one".