2222212021201 has 4 divisors (see below), whose sum is σ = 2222289095152. Its totient is φ = 2222134947252.

The previous prime is 2222212021187. The next prime is 2222212021261. The reversal of 2222212021201 is 1021202122222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2222212021201 - 2³⁹ = 1672456207313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222212021261) 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 3 ways as a sum of consecutive naturals, for example, 38493711 + ... + 38551396.

It is an arithmetic number, because the mean of its divisors is an integer number (555572273788).

Almost surely, 2^{2222212021201} is an apocalyptic number.

It is an amenable number.

2222212021201 is a deficient number, since it is larger than the sum of its proper divisors (77073951).

2222212021201 is an equidigital number, since it uses as much as digits as its factorization.

2222212021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77073950.

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

Adding to 2222212021201 its reverse (1021202122222), we get a palindrome (3243414143423).

It can be divided in two parts, 222221 and 2021201, that added together give a palindrome (2243422).

The spelling of 2222212021201 in words is "two trillion, two hundred twenty-two billion, two hundred twelve million, twenty-one thousand, two hundred one".