221002112021001 has 8 divisors (see below), whose sum is σ = 295543872852384. Its totient is φ = 146897546268480.

The previous prime is 221002112020969. The next prime is 221002112021017. The reversal of 221002112021001 is 100120211200122.

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

It is not a de Polignac number, because 221002112021001 - 2⁵ = 221002112020969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221002112028001) 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, 109298768535 + ... + 109298770556.

It is an arithmetic number, because the mean of its divisors is an integer number (36942984106548).

Almost surely, 2^{221002112021001} is an apocalyptic number.

It is an amenable number.

221002112021001 is a deficient number, since it is larger than the sum of its proper divisors (74541760831383).

221002112021001 is a wasteful number, since it uses less digits than its factorization.

221002112021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218597539431.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221002112021001 its reverse (100120211200122), we get a palindrome (321122323221123).

The spelling of 221002112021001 in words is "two hundred twenty-one trillion, two billion, one hundred twelve million, twenty-one thousand, one".