20110110200120 has 16 divisors (see below), whose sum is σ = 45247747950360. Its totient is φ = 8044044080032.

The previous prime is 20110110200119. The next prime is 20110110200171. The reversal of 20110110200120 is 2100201101102.

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 3 ways as a sum of consecutive naturals, for example, 251376377462 + ... + 251376377541.

Almost surely, 2^{20110110200120} is an apocalyptic number.

20110110200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110110200120 is an abundant number, since it is smaller than the sum of its proper divisors (25137637750240).

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

20110110200120 is a wasteful number, since it uses less digits than its factorization.

20110110200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502752755014 (or 502752755010 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20110110200120 its reverse (2100201101102), we get a palindrome (22210311301222).

The spelling of 20110110200120 in words is "twenty trillion, one hundred ten billion, one hundred ten million, two hundred thousand, one hundred twenty".