221102123323 has 8 divisors (see below), whose sum is σ = 226273275360. Its totient is φ = 215988111360.

The previous prime is 221102123311. The next prime is 221102123339. The reversal of 221102123323 is 323321201122.

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 221102123323 - 2²⁵ = 221068568891 is a prime.

It is a super-2 number, since 2×221102123323² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221102123294 and 221102123303.

It is not an unprimeable number, because it can be changed into a prime (221102123383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14277190 + ... + 14292667.

It is an arithmetic number, because the mean of its divisors is an integer number (28284159420).

Almost surely, 2^221102123323 is an apocalyptic number.

221102123323 is a deficient number, since it is larger than the sum of its proper divisors (5171152037).

221102123323 is a wasteful number, since it uses less digits than its factorization.

221102123323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28570037.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 221102123323 its reverse (323321201122), we get a palindrome (544423324445).

The spelling of 221102123323 in words is "two hundred twenty-one billion, one hundred two million, one hundred twenty-three thousand, three hundred twenty-three".