221001221120002 has 8 divisors (see below), whose sum is σ = 331528396492800. Its totient is φ = 110491755622404.

The previous prime is 221001221119999. The next prime is 221001221120033. The reversal of 221001221120002 is 200021122100122.

It is a happy number.

221001221120002 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 super-4 number, since 4×221001221120002⁴ (a number of 58 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4427437602 + ... + 4427487517.

It is an arithmetic number, because the mean of its divisors is an integer number (41441049561600).

Almost surely, 2^{221001221120002} is an apocalyptic number.

221001221120002 is a deficient number, since it is larger than the sum of its proper divisors (110527175372798).

221001221120002 is a wasteful number, since it uses less digits than its factorization.

221001221120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8854937600.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221001221120002 its reverse (200021122100122), we get a palindrome (421022343220124).

The spelling of 221001221120002 in words is "two hundred twenty-one trillion, one billion, two hundred twenty-one million, one hundred twenty thousand, two".