11220201212001 has 32 divisors (see below), whose sum is σ = 15873846912000. Its totient is φ = 7037403498048.

The previous prime is 11220201211981. The next prime is 11220201212021. The reversal of 11220201212001 is 10021210202211.

It is an interprime number because it is at equal distance from previous prime (11220201211981) and next prime (11220201212021).

It is not a de Polignac number, because 11220201212001 - 2⁹ = 11220201211489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11220201212021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2011581 + ... + 5146538.

It is an arithmetic number, because the mean of its divisors is an integer number (496057716000).

Almost surely, 2^{11220201212001} is an apocalyptic number.

It is an amenable number.

11220201212001 is a deficient number, since it is larger than the sum of its proper divisors (4653645699999).

11220201212001 is a wasteful number, since it uses less digits than its factorization.

11220201212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7158613.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11220201212001 its reverse (10021210202211), we get a palindrome (21241411414212).

The spelling of 11220201212001 in words is "eleven trillion, two hundred twenty billion, two hundred one million, two hundred twelve thousand, one".