11220011001001 has 16 divisors (see below), whose sum is σ = 12702795580800. Its totient is φ = 9816618918400.

The previous prime is 11220011000999. The next prime is 11220011001037. The reversal of 11220011001001 is 10010011002211.

It is a cyclic number.

It is not a de Polignac number, because 11220011001001 - 2¹ = 11220011000999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220011001041) 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, 56448136 + ... + 56646553.

It is an arithmetic number, because the mean of its divisors is an integer number (793924723800).

Almost surely, 2^{11220011001001} is an apocalyptic number.

11220011001001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11220011001001 is a deficient number, since it is larger than the sum of its proper divisors (1482784579799).

11220011001001 is a wasteful number, since it uses less digits than its factorization.

11220011001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113095040.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11220011001001 its reverse (10010011002211), we get a palindrome (21230022003212).

The spelling of 11220011001001 in words is "eleven trillion, two hundred twenty billion, eleven million, one thousand, one".