202122220121022 has 16 divisors (see below), whose sum is σ = 405283629039120. Its totient is φ = 67200875240832.

The previous prime is 202122220121021. The next prime is 202122220121027. The reversal of 202122220121022 is 220121022221202.

It is a self number, because there is not a number n which added to its sum of digits gives 202122220121022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202122220121021) 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 7 ways as a sum of consecutive naturals, for example, 43299530683 + ... + 43299535350.

It is an arithmetic number, because the mean of its divisors is an integer number (25330226814945).

Almost surely, 2^{202122220121022} is an apocalyptic number.

202122220121022 is an abundant number, since it is smaller than the sum of its proper divisors (203161408918098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202122220121022 is a wasteful number, since it uses less digits than its factorization.

202122220121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86599066427.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 202122220121022 its reverse (220121022221202), we get a palindrome (422243242342224).

The spelling of 202122220121022 in words is "two hundred two trillion, one hundred twenty-two billion, two hundred twenty million, one hundred twenty-one thousand, twenty-two".