202102212232223 has 4 divisors (see below), whose sum is σ = 206802263679528. Its totient is φ = 197402160784920.

The previous prime is 202102212232189. The next prime is 202102212232303. The reversal of 202102212232223 is 322232212201202.

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 202102212232223 - 2¹² = 202102212228127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202102212232192 and 202102212232201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202102212231223) 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, 2350025723588 + ... + 2350025723673.

It is an arithmetic number, because the mean of its divisors is an integer number (51700565919882).

Almost surely, 2^{202102212232223} is an apocalyptic number.

202102212232223 is a deficient number, since it is larger than the sum of its proper divisors (4700051447305).

202102212232223 is an equidigital number, since it uses as much as digits as its factorization.

202102212232223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4700051447304.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 202102212232223 its reverse (322232212201202), we get a palindrome (524334424433425).

The spelling of 202102212232223 in words is "two hundred two trillion, one hundred two billion, two hundred twelve million, two hundred thirty-two thousand, two hundred twenty-three".