202020121100120 has 16 divisors (see below), whose sum is σ = 454545272475360. Its totient is φ = 80808048440032.

The previous prime is 202020121100099. The next prime is 202020121100167. The reversal of 202020121100120 is 21001121020202.

It is a super-3 number, since 3×202020121100120³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202020121100095 and 202020121100104.

It is a congruent number.

It is an unprimeable number.

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, 2525251513712 + ... + 2525251513791.

It is an arithmetic number, because the mean of its divisors is an integer number (28409079529710).

Almost surely, 2^{202020121100120} is an apocalyptic number.

202020121100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202020121100120 is an abundant number, since it is smaller than the sum of its proper divisors (252525151375240).

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

202020121100120 is a wasteful number, since it uses less digits than its factorization.

202020121100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050503027514 (or 5050503027510 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202020121100120 its reverse (21001121020202), we get a palindrome (223021242120322).

The spelling of 202020121100120 in words is "two hundred two trillion, twenty billion, one hundred twenty-one million, one hundred thousand, one hundred twenty".