20102110110120 has 128 divisors (see below), whose sum is σ = 61330810176000. Its totient is φ = 5269504753920.

The previous prime is 20102110110067. The next prime is 20102110110167. The reversal of 20102110110120 is 2101101120102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20102110110096 and 20102110110105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315587475 + ... + 315651165.

It is an arithmetic number, because the mean of its divisors is an integer number (479146954500).

Almost surely, 2^{20102110110120} is an apocalyptic number.

20102110110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102110110120 is an abundant number, since it is smaller than the sum of its proper divisors (41228700065880).

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

20102110110120 is a wasteful number, since it uses less digits than its factorization.

20102110110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108343 (or 108339 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20102110110120 its reverse (2101101120102), we get a palindrome (22203211230222).

The spelling of 20102110110120 in words is "twenty trillion, one hundred two billion, one hundred ten million, one hundred ten thousand, one hundred twenty".