2222104012221 has 8 divisors (see below), whose sum is σ = 2965576921120. Its totient is φ = 1480016889072.

The previous prime is 2222104012217. The next prime is 2222104012253. The reversal of 2222104012221 is 1222104012222.

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

It is not a de Polignac number, because 2222104012221 - 2² = 2222104012217 is a prime.

It is a super-2 number, since 2×2222104012221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222104012021) 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, 346442695 + ... + 346449108.

It is an arithmetic number, because the mean of its divisors is an integer number (370697115140).

Almost surely, 2^{2222104012221} is an apocalyptic number.

It is an amenable number.

2222104012221 is a deficient number, since it is larger than the sum of its proper divisors (743472908899).

2222104012221 is a wasteful number, since it uses less digits than its factorization.

2222104012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692892875.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2222104012221 its reverse (1222104012222), we get a palindrome (3444208024443).

Subtracting from 2222104012221 its reverse (1222104012222), we obtain a palindrome (999999999999).

The spelling of 2222104012221 in words is "two trillion, two hundred twenty-two billion, one hundred four million, twelve thousand, two hundred twenty-one".