202021021100222 has 8 divisors (see below), whose sum is σ = 304102314448536. Its totient is φ = 100653582950712.

The previous prime is 202021021100221. The next prime is 202021021100281. The reversal of 202021021100222 is 222001120120202.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 202021021100222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202021021100221) 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 3 ways as a sum of consecutive naturals, for example, 178463798993 + ... + 178463800124.

It is an arithmetic number, because the mean of its divisors is an integer number (38012789306067).

Almost surely, 2^{202021021100222} is an apocalyptic number.

202021021100222 is a deficient number, since it is larger than the sum of its proper divisors (102081293348314).

202021021100222 is a wasteful number, since it uses less digits than its factorization.

202021021100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356927599402.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202021021100222 its reverse (222001120120202), we get a palindrome (424022141220424).

The spelling of 202021021100222 in words is "two hundred two trillion, twenty-one billion, twenty-one million, one hundred thousand, two hundred twenty-two".