202021100122022 has 8 divisors (see below), whose sum is σ = 303031952886936. Its totient is φ = 101010449159712.

The previous prime is 202021100121989. The next prime is 202021100122027. The reversal of 202021100122022 is 220221001120202.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202021100122027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47922608 + ... + 51967475.

It is an arithmetic number, because the mean of its divisors is an integer number (37878994110867).

Almost surely, 2^{202021100122022} is an apocalyptic number.

202021100122022 is a deficient number, since it is larger than the sum of its proper divisors (101010852764914).

202021100122022 is a wasteful number, since it uses less digits than its factorization.

202021100122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100901302.

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

Adding to 202021100122022 its reverse (220221001120202), we get a palindrome (422242101242224).

The spelling of 202021100122022 in words is "two hundred two trillion, twenty-one billion, one hundred million, one hundred twenty-two thousand, twenty-two".