11221002221001 has 8 divisors (see below), whose sum is σ = 15477244442880. Its totient is φ = 7222714073232.

The previous prime is 11221002220993. The next prime is 11221002221021. The reversal of 11221002221001 is 10012220012211.

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

It is not a de Polignac number, because 11221002221001 - 2³ = 11221002220993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11221002221021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64488518425 + ... + 64488518598.

It is an arithmetic number, because the mean of its divisors is an integer number (1934655555360).

Almost surely, 2^{11221002221001} is an apocalyptic number.

It is an amenable number.

11221002221001 is a deficient number, since it is larger than the sum of its proper divisors (4256242221879).

11221002221001 is a wasteful number, since it uses less digits than its factorization.

11221002221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128977037055.

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

Adding to 11221002221001 its reverse (10012220012211), we get a palindrome (21233222233212).

The spelling of 11221002221001 in words is "eleven trillion, two hundred twenty-one billion, two million, two hundred twenty-one thousand, one".