202222223121321 has 48 divisors (see below), whose sum is σ = 323388393269760. Its totient is φ = 120990089750400.

The previous prime is 202222223121311. The next prime is 202222223121341. The reversal of 202222223121321 is 123121322222202.

202222223121321 is a `hidden beast` number, since 2 + 0 + 2 + 2 + 2 + 2 + 22 + 312 + 1 + 321 = 666.

It is not a de Polignac number, because 202222223121321 - 2¹⁰ = 202222223120297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202222223121311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120939066 + ... + 122599763.

It is an arithmetic number, because the mean of its divisors is an integer number (6737258193120).

Almost surely, 2^{202222223121321} is an apocalyptic number.

It is an amenable number.

202222223121321 is a deficient number, since it is larger than the sum of its proper divisors (121166170148439).

202222223121321 is a wasteful number, since it uses less digits than its factorization.

202222223121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243539046 (or 243539043 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 202222223121321 its reverse (123121322222202), we get a palindrome (325343545343523).

The spelling of 202222223121321 in words is "two hundred two trillion, two hundred twenty-two billion, two hundred twenty-three million, one hundred twenty-one thousand, three hundred twenty-one".