102100012005223 has 4 divisors (see below), whose sum is σ = 102100046397520. Its totient is φ = 102099977612928.

The previous prime is 102100012005221. The next prime is 102100012005269. The reversal of 102100012005223 is 322500210001201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102100012005223 - 2¹ = 102100012005221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102100012005223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100012005221) 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, 12273363 + ... + 18837076.

It is an arithmetic number, because the mean of its divisors is an integer number (25525011599380).

Almost surely, 2^{102100012005223} is an apocalyptic number.

102100012005223 is a deficient number, since it is larger than the sum of its proper divisors (34392297).

102100012005223 is an equidigital number, since it uses as much as digits as its factorization.

102100012005223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34392296.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 102100012005223 its reverse (322500210001201), we get a palindrome (424600222006424).

The spelling of 102100012005223 in words is "one hundred two trillion, one hundred billion, twelve million, five thousand, two hundred twenty-three".