221002001202101 has 8 divisors (see below), whose sum is σ = 260721254874624. Its totient is φ = 183319632333360.

The previous prime is 221002001202091. The next prime is 221002001202161. The reversal of 221002001202101 is 101202100200122.

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 221002001202101 - 2¹⁰ = 221002001201077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221002001202161) 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, 509221200710 + ... + 509221201143.

It is an arithmetic number, because the mean of its divisors is an integer number (32590156859328).

Almost surely, 2^{221002001202101} is an apocalyptic number.

It is an amenable number.

221002001202101 is a deficient number, since it is larger than the sum of its proper divisors (39719253672523).

221002001202101 is a wasteful number, since it uses less digits than its factorization.

221002001202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018442401891.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221002001202101 its reverse (101202100200122), we get a palindrome (322204101402223).

The spelling of 221002001202101 in words is "two hundred twenty-one trillion, two billion, one million, two hundred two thousand, one hundred one".