1020110320120 has 32 divisors (see below), whose sum is σ = 2369288488320. Its totient is φ = 394881413760.

The previous prime is 1020110320091. The next prime is 1020110320127. The reversal of 1020110320120 is 210230110201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020110320120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020110320127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411333567 + ... + 411336046.

It is an arithmetic number, because the mean of its divisors is an integer number (74040265260).

Almost surely, 2^{1020110320120} is an apocalyptic number.

1020110320120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020110320120 is an abundant number, since it is smaller than the sum of its proper divisors (1349178168200).

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

1020110320120 is a wasteful number, since it uses less digits than its factorization.

1020110320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822669655 (or 822669651 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1020110320120 its reverse (210230110201), we get a palindrome (1230340430321).

The spelling of 1020110320120 in words is "one trillion, twenty billion, one hundred ten million, three hundred twenty thousand, one hundred twenty".