11222201220201 has 12 divisors (see below), whose sum is σ = 16768806421380. Its totient is φ = 7223485842720.

The previous prime is 11222201220073. The next prime is 11222201220233. The reversal of 11222201220201 is 10202210222211.

It is a happy number.

11222201220201 is a `hidden beast` number, since 1 + 1 + 22 + 220 + 1 + 220 + 201 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5577395445801 + 5644805774400 = 2361651^2 + 2375880^2 .

It is not a de Polignac number, because 11222201220201 - 2⁷ = 11222201220073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11222401220201) 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 11 ways as a sum of consecutive naturals, for example, 21498469510 + ... + 21498470031.

It is an arithmetic number, because the mean of its divisors is an integer number (1397400535115).

Almost surely, 2^{11222201220201} is an apocalyptic number.

It is an amenable number.

11222201220201 is a deficient number, since it is larger than the sum of its proper divisors (5546605201179).

11222201220201 is a wasteful number, since it uses less digits than its factorization.

11222201220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42996939576 (or 42996939573 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11222201220201 its reverse (10202210222211), we get a palindrome (21424411442412).

The spelling of 11222201220201 in words is "eleven trillion, two hundred twenty-two billion, two hundred one million, two hundred twenty thousand, two hundred one".