202120122110200 has 96 divisors (see below), whose sum is σ = 537071547542400. Its totient is φ = 69297100640640.

The previous prime is 202120122110183. The next prime is 202120122110227. The reversal of 202120122110200 is 2011221021202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79652631 + ... + 82150969.

It is an arithmetic number, because the mean of its divisors is an integer number (5594495286900).

Almost surely, 2^{202120122110200} is an apocalyptic number.

202120122110200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202120122110200 is an abundant number, since it is smaller than the sum of its proper divisors (334951425432200).

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

202120122110200 is a wasteful number, since it uses less digits than its factorization.

202120122110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556149 (or 2556140 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202120122110200 its reverse (2011221021202), we get a palindrome (204131343131402).

The spelling of 202120122110200 in words is "two hundred two trillion, one hundred twenty billion, one hundred twenty-two million, one hundred ten thousand, two hundred".