110120210002120 has 16 divisors (see below), whose sum is σ = 247770472504860. Its totient is φ = 44048084000832.

The previous prime is 110120210002067. The next prime is 110120210002139. The reversal of 110120210002120 is 21200012021011.

It can be written as a sum of positive squares in 2 ways, for example, as 105792703371364 + 4327506630756 = 10285558^2 + 2080266^2 .

It is a super-2 number, since 2×110120210002120² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 110120210002120.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376502624987 + ... + 1376502625066.

Almost surely, 2^{110120210002120} is an apocalyptic number.

110120210002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110120210002120 is an abundant number, since it is smaller than the sum of its proper divisors (137650262502740).

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

110120210002120 is a wasteful number, since it uses less digits than its factorization.

110120210002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753005250064 (or 2753005250060 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110120210002120 its reverse (21200012021011), we get a palindrome (131320222023131).

The spelling of 110120210002120 in words is "one hundred ten trillion, one hundred twenty billion, two hundred ten million, two thousand, one hundred twenty".