22221111332001 has 8 divisors (see below), whose sum is σ = 29738290259520. Its totient is φ = 14759003312912.

The previous prime is 22221111331981. The next prime is 22221111332003. The reversal of 22221111332001 is 10023311112222.

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

It is a cyclic number.

It is not a de Polignac number, because 22221111332001 - 2¹⁹ = 22221110807713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22221111332003) 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 7 ways as a sum of consecutive naturals, for example, 13767726165 + ... + 13767727778.

It is an arithmetic number, because the mean of its divisors is an integer number (3717286282440).

Almost surely, 2^{22221111332001} is an apocalyptic number.

It is an amenable number.

22221111332001 is a deficient number, since it is larger than the sum of its proper divisors (7517178927519).

22221111332001 is a wasteful number, since it uses less digits than its factorization.

22221111332001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27535454215.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 22221111332001 its reverse (10023311112222), we get a palindrome (32244422444223).

The spelling of 22221111332001 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred eleven million, three hundred thirty-two thousand, one".