10000111210120 has 16 divisors (see below), whose sum is σ = 22500250222860. Its totient is φ = 4000044484032.

The previous prime is 10000111210087. The next prime is 10000111210151. The reversal of 10000111210120 is 2101211100001.

It can be written as a sum of positive squares in 2 ways, for example, as 8408178898596 + 1591932311524 = 2899686^2 + 1261718^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10000111210097 and 10000111210106.

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 3 ways as a sum of consecutive naturals, for example, 125001390087 + ... + 125001390166.

Almost surely, 2^{10000111210120} is an apocalyptic number.

10000111210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10000111210120 is an abundant number, since it is smaller than the sum of its proper divisors (12500139012740).

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

10000111210120 is a wasteful number, since it uses less digits than its factorization.

10000111210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250002780264 (or 250002780260 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10000111210120 its reverse (2101211100001), we get a palindrome (12101322310121).

The spelling of 10000111210120 in words is "ten trillion, one hundred eleven million, two hundred ten thousand, one hundred twenty".