202122022343 has 4 divisors (see below), whose sum is σ = 207051827808. Its totient is φ = 197192216880.

The previous prime is 202122022301. The next prime is 202122022379. The reversal of 202122022343 is 343220221202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343220221202 = 2 ⋅171610110601.

It is a cyclic number.

It is not a de Polignac number, because 202122022343 - 2⁶ = 202122022279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202122022243) 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, 2464902671 + ... + 2464902752.

It is an arithmetic number, because the mean of its divisors is an integer number (51762956952).

Almost surely, 2^202122022343 is an apocalyptic number.

202122022343 is a deficient number, since it is larger than the sum of its proper divisors (4929805465).

202122022343 is an equidigital number, since it uses as much as digits as its factorization.

202122022343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4929805464.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 202122022343 its reverse (343220221202), we get a palindrome (545342243545).

The spelling of 202122022343 in words is "two hundred two billion, one hundred twenty-two million, twenty-two thousand, three hundred forty-three".