2212221222001 has 8 divisors (see below), whose sum is σ = 2528820115200. Its totient is φ = 1895764151328.

The previous prime is 2212221221971. The next prime is 2212221222073. The reversal of 2212221222001 is 1002221222122.

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 2212221222001 - 2⁹ = 2212221221489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212221222001.

It is not an unprimeable number, because it can be changed into a prime (2212221222301) 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, 35422201 + ... + 35484598.

It is an arithmetic number, because the mean of its divisors is an integer number (316102514400).

Almost surely, 2^{2212221222001} is an apocalyptic number.

It is an amenable number.

2212221222001 is a deficient number, since it is larger than the sum of its proper divisors (316598893199).

2212221222001 is an equidigital number, since it uses as much as digits as its factorization.

2212221222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70911263.

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

Adding to 2212221222001 its reverse (1002221222122), we get a palindrome (3214442444123).

The spelling of 2212221222001 in words is "two trillion, two hundred twelve billion, two hundred twenty-one million, two hundred twenty-two thousand, one".