22221002021001 has 8 divisors (see below), whose sum is σ = 33860574508224. Its totient is φ = 12697715440560.

The previous prime is 22221002020837. The next prime is 22221002021033. The reversal of 22221002021001 is 10012020012222.

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

It is a de Polignac number, because none of the positive numbers 2^k-22221002021001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22221002022001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529071476670 + ... + 529071476711.

It is an arithmetic number, because the mean of its divisors is an integer number (4232571813528).

Almost surely, 2^{22221002021001} is an apocalyptic number.

22221002021001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22221002021001 is a deficient number, since it is larger than the sum of its proper divisors (11639572487223).

22221002021001 is a wasteful number, since it uses less digits than its factorization.

22221002021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058142953391.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22221002021001 its reverse (10012020012222), we get a palindrome (32233022033223).

The spelling of 22221002021001 in words is "twenty-two trillion, two hundred twenty-one billion, two million, twenty-one thousand, one".