221021022200001 has 8 divisors (see below), whose sum is σ = 299689521627360. Its totient is φ = 144849935452992.

The previous prime is 221021022199997. The next prime is 221021022200141. The reversal of 221021022200001 is 100002220120122.

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

It is not a de Polignac number, because 221021022200001 - 2² = 221021022199997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221021022000001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624353169880 + ... + 624353170233.

It is an arithmetic number, because the mean of its divisors is an integer number (37461190203420).

Almost surely, 2^{221021022200001} is an apocalyptic number.

It is an amenable number.

221021022200001 is a deficient number, since it is larger than the sum of its proper divisors (78668499427359).

221021022200001 is a wasteful number, since it uses less digits than its factorization.

221021022200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248706340175.

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

Adding to 221021022200001 its reverse (100002220120122), we get a palindrome (321023242320123).

The spelling of 221021022200001 in words is "two hundred twenty-one trillion, twenty-one billion, twenty-two million, two hundred thousand, one".