102100211323 has 4 divisors (see below), whose sum is σ = 111382048728. Its totient is φ = 92818373920.

The previous prime is 102100211249. The next prime is 102100211333. The reversal of 102100211323 is 323112001201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323112001201 = 11 ⋅29373818291.

It is a cyclic number.

It is not a de Polignac number, because 102100211323 - 2⁹ = 102100210811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102100211297 and 102100211306.

It is not an unprimeable number, because it can be changed into a prime (102100211333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4640918686 + ... + 4640918707.

It is an arithmetic number, because the mean of its divisors is an integer number (27845512182).

Almost surely, 2^102100211323 is an apocalyptic number.

102100211323 is a deficient number, since it is larger than the sum of its proper divisors (9281837405).

102100211323 is an equidigital number, since it uses as much as digits as its factorization.

102100211323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9281837404.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102100211323 its reverse (323112001201), we get a palindrome (425212212524).

The spelling of 102100211323 in words is "one hundred two billion, one hundred million, two hundred eleven thousand, three hundred twenty-three".