2221210001001 has 8 divisors (see below), whose sum is σ = 2978158661280. Its totient is φ = 1472534004032.

The previous prime is 2221210000969. The next prime is 2221210001011. The reversal of 2221210001001 is 1001000121222.

2221210001001 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 2221210001001 - 2⁵ = 2221210000969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221210001011) 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, 2068165200 + ... + 2068166273.

It is an arithmetic number, because the mean of its divisors is an integer number (372269832660).

Almost surely, 2^{2221210001001} is an apocalyptic number.

It is an amenable number.

2221210001001 is a deficient number, since it is larger than the sum of its proper divisors (756948660279).

2221210001001 is a wasteful number, since it uses less digits than its factorization.

2221210001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136331655.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2221210001001 its reverse (1001000121222), we get a palindrome (3222210122223).

The spelling of 2221210001001 in words is "two trillion, two hundred twenty-one billion, two hundred ten million, one thousand, one".