221002112022001 has 8 divisors (see below), whose sum is σ = 224318013961280. Its totient is φ = 217686720757968.

The previous prime is 221002112021909. The next prime is 221002112022119. The reversal of 221002112022001 is 100220211200122.

It is a happy number.

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 221002112022001 - 2²⁹ = 221001575151089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221002112022701) 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, 126796746 + ... + 128527891.

It is an arithmetic number, because the mean of its divisors is an integer number (28039751745160).

Almost surely, 2^{221002112022001} is an apocalyptic number.

It is an amenable number.

221002112022001 is a deficient number, since it is larger than the sum of its proper divisors (3315901939279).

221002112022001 is a wasteful number, since it uses less digits than its factorization.

221002112022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255337623.

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

Adding to 221002112022001 its reverse (100220211200122), we get a palindrome (321222323222123).

The spelling of 221002112022001 in words is "two hundred twenty-one trillion, two billion, one hundred twelve million, twenty-two thousand, one".