202121230322 has 8 divisors (see below), whose sum is σ = 330743831472. Its totient is φ = 91873286500.

The previous prime is 202121230153. The next prime is 202121230343. The reversal of 202121230322 is 223032121202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 202121230294 and 202121230303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4593664304 + ... + 4593664347.

It is an arithmetic number, because the mean of its divisors is an integer number (41342978934).

Almost surely, 2^202121230322 is an apocalyptic number.

202121230322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202121230322 is a deficient number, since it is larger than the sum of its proper divisors (128622601150).

202121230322 is a wasteful number, since it uses less digits than its factorization.

202121230322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9187328664.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 202121230322 its reverse (223032121202), we get a palindrome (425153351524).

The spelling of 202121230322 in words is "two hundred two billion, one hundred twenty-one million, two hundred thirty thousand, three hundred twenty-two".