2221001202001 has 8 divisors (see below), whose sum is σ = 2236553766720. Its totient is φ = 2205479837712.

The previous prime is 2221001201987. The next prime is 2221001202067. The reversal of 2221001202001 is 1002021001222.

It is a happy number.

2221001202001 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 a cyclic number.

It is not a de Polignac number, because 2221001202001 - 2³¹ = 2218853718353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221001202601) 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, 7657231 + ... + 7941988.

It is an arithmetic number, because the mean of its divisors is an integer number (279569220840).

Almost surely, 2^{2221001202001} is an apocalyptic number.

It is an amenable number.

2221001202001 is a deficient number, since it is larger than the sum of its proper divisors (15552564719).

2221001202001 is a wasteful number, since it uses less digits than its factorization.

2221001202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15600215.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2221001202001 its reverse (1002021001222), we get a palindrome (3223022203223).

The spelling of 2221001202001 in words is "two trillion, two hundred twenty-one billion, one million, two hundred two thousand, one".