12221112021001 has 32 divisors (see below), whose sum is σ = 13440460723200. Its totient is φ = 11044399541760.

The previous prime is 12221112020963. The next prime is 12221112021017. The reversal of 12221112021001 is 10012021112221.

It is not a de Polignac number, because 12221112021001 - 2²³ = 12221103632393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221112021031) 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 31 ways as a sum of consecutive naturals, for example, 70060071 + ... + 70234291.

It is an arithmetic number, because the mean of its divisors is an integer number (420014397600).

Almost surely, 2^{12221112021001} is an apocalyptic number.

It is an amenable number.

12221112021001 is a deficient number, since it is larger than the sum of its proper divisors (1219348702199).

12221112021001 is a wasteful number, since it uses less digits than its factorization.

12221112021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174889.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12221112021001 its reverse (10012021112221), we get a palindrome (22233133133222).

The spelling of 12221112021001 in words is "twelve trillion, two hundred twenty-one billion, one hundred twelve million, twenty-one thousand, one".