221022102323101 has 8 divisors (see below), whose sum is σ = 235594029324600. Its totient is φ = 206624689417728.

The previous prime is 221022102323069. The next prime is 221022102323119. The reversal of 221022102323101 is 101323201220122.

It can be written as a sum of positive squares in 4 ways, for example, as 10883737500601 + 210138364822500 = 3299051^2 + 14496150^2 .

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 221022102323101 - 2⁵ = 221022102323069 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 (221022102333101) 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, 43628521416 + ... + 43628526481.

It is an arithmetic number, because the mean of its divisors is an integer number (29449253665575).

Almost surely, 2^{221022102323101} is an apocalyptic number.

It is an amenable number.

221022102323101 is a deficient number, since it is larger than the sum of its proper divisors (14571927001499).

221022102323101 is a wasteful number, since it uses less digits than its factorization.

221022102323101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87257048063.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 221022102323101 its reverse (101323201220122), we get a palindrome (322345303543223).

The spelling of 221022102323101 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred two million, three hundred twenty-three thousand, one hundred one".