202021100200122 has 16 divisors (see below), whose sum is σ = 461762514743232. Its totient is φ = 57720314342880.

The previous prime is 202021100200121. The next prime is 202021100200133. The reversal of 202021100200122 is 221002001120202.

It is a super-3 number, since 3×202021100200122³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (202021100200121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2405013097579 + ... + 2405013097662.

It is an arithmetic number, because the mean of its divisors is an integer number (28860157171452).

Almost surely, 2^{202021100200122} is an apocalyptic number.

202021100200122 is an abundant number, since it is smaller than the sum of its proper divisors (259741414543110).

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

202021100200122 is a wasteful number, since it uses less digits than its factorization.

202021100200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4810026195253.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202021100200122 its reverse (221002001120202), we get a palindrome (423023101320324).

The spelling of 202021100200122 in words is "two hundred two trillion, twenty-one billion, one hundred million, two hundred thousand, one hundred twenty-two".