102102212023 has 4 divisors (see below), whose sum is σ = 116688242320. Its totient is φ = 87516181728.

The previous prime is 102102212011. The next prime is 102102212059. The reversal of 102102212023 is 320212201201.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102102212023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102102211988 and 102102212006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102212063) 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, 7293015138 + ... + 7293015151.

It is an arithmetic number, because the mean of its divisors is an integer number (29172060580).

Almost surely, 2^102102212023 is an apocalyptic number.

102102212023 is a deficient number, since it is larger than the sum of its proper divisors (14586030297).

102102212023 is an equidigital number, since it uses as much as digits as its factorization.

102102212023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14586030296.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102102212023 its reverse (320212201201), we get a palindrome (422314413224).

The spelling of 102102212023 in words is "one hundred two billion, one hundred two million, two hundred twelve thousand, twenty-three".