11220011220001 has 16 divisors (see below), whose sum is σ = 11373841583104. Its totient is φ = 11067129045504.

The previous prime is 11220011219929. The next prime is 11220011220043. The reversal of 11220011220001 is 10002211002211.

It is a cyclic number.

It is not a de Polignac number, because 11220011220001 - 2¹⁹ = 11220010695713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220011290001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26864365 + ... + 27278821.

It is an arithmetic number, because the mean of its divisors is an integer number (710865098944).

Almost surely, 2^{11220011220001} is an apocalyptic number.

It is an amenable number.

11220011220001 is a deficient number, since it is larger than the sum of its proper divisors (153830363103).

11220011220001 is a wasteful number, since it uses less digits than its factorization.

11220011220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415600.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11220011220001 its reverse (10002211002211), we get a palindrome (21222222222212).

The spelling of 11220011220001 in words is "eleven trillion, two hundred twenty billion, eleven million, two hundred twenty thousand, one".