221222022120001 has 8 divisors (see below), whose sum is σ = 252832782930624. Its totient is φ = 189613165007760.

The previous prime is 221222022119981. The next prime is 221222022120061. The reversal of 221222022120001 is 100021220222122.

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 221222022120001 - 2¹⁵ = 221222022087233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221222022120061) 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, 475675570 + ... + 476140411.

It is an arithmetic number, because the mean of its divisors is an integer number (31604097866328).

Almost surely, 2^{221222022120001} is an apocalyptic number.

It is an amenable number.

221222022120001 is a deficient number, since it is larger than the sum of its proper divisors (31610760810623).

221222022120001 is an equidigital number, since it uses as much as digits as its factorization.

221222022120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951849191.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221222022120001 its reverse (100021220222122), we get a palindrome (321243242342123).

The spelling of 221222022120001 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, twenty-two million, one hundred twenty thousand, one".