2222001221001 has 8 divisors (see below), whose sum is σ = 2963564185824. Its totient is φ = 1480886201760.

The previous prime is 2222001220987. The next prime is 2222001221003. The reversal of 2222001221001 is 1001221002222.

2222001221001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2222001221001 - 2²⁷ = 2221867003273 is a prime.

It is a super-2 number, since 2×2222001221001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2222001221003) 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, 111974820 + ... + 111994661.

It is an arithmetic number, because the mean of its divisors is an integer number (370445523228).

Almost surely, 2^{2222001221001} is an apocalyptic number.

It is an amenable number.

2222001221001 is a deficient number, since it is larger than the sum of its proper divisors (741562964823).

2222001221001 is a wasteful number, since it uses less digits than its factorization.

2222001221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223972791.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2222001221001 its reverse (1001221002222), we get a palindrome (3223222223223).

The spelling of 2222001221001 in words is "two trillion, two hundred twenty-two billion, one million, two hundred twenty-one thousand, one".