11220211022001 has 4 divisors (see below), whose sum is σ = 14960281362672. Its totient is φ = 7480140681332.

The previous prime is 11220211021939. The next prime is 11220211022029. The reversal of 11220211022001 is 10022011202211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11220211022001 - 2²⁶ = 11220143913137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11220211022051) 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 3 ways as a sum of consecutive naturals, for example, 1870035170331 + ... + 1870035170336.

It is an arithmetic number, because the mean of its divisors is an integer number (3740070340668).

Almost surely, 2^{11220211022001} is an apocalyptic number.

It is an amenable number.

11220211022001 is a deficient number, since it is larger than the sum of its proper divisors (3740070340671).

11220211022001 is an equidigital number, since it uses as much as digits as its factorization.

11220211022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740070340670.

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

Adding to 11220211022001 its reverse (10022011202211), we get a palindrome (21242222224212).

The spelling of 11220211022001 in words is "eleven trillion, two hundred twenty billion, two hundred eleven million, twenty-two thousand, one".