11222220021001 has 8 divisors (see below), whose sum is σ = 12242638122624. Its totient is φ = 10201837966320.

The previous prime is 11222220020923. The next prime is 11222220021013. The reversal of 11222220021001 is 10012002222211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11222220021001 - 2¹⁵ = 11222219988233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222220021101) 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 7 ways as a sum of consecutive naturals, for example, 8358726 + ... + 9607951.

It is an arithmetic number, because the mean of its divisors is an integer number (1530329765328).

Almost surely, 2^{11222220021001} is an apocalyptic number.

11222220021001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11222220021001 is a deficient number, since it is larger than the sum of its proper divisors (1020418101623).

11222220021001 is a wasteful number, since it uses less digits than its factorization.

11222220021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18023471.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11222220021001 its reverse (10012002222211), we get a palindrome (21234222243212).

The spelling of 11222220021001 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty million, twenty-one thousand, one".