10210002100120 has 32 divisors (see below), whose sum is σ = 22974359807520. Its totient is φ = 4083671047680.

The previous prime is 10210002100097. The next prime is 10210002100213. The reversal of 10210002100120 is 2100120001201.

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 = 10210002100097 and 10210002100106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9804177 + ... + 10795456.

It is an arithmetic number, because the mean of its divisors is an integer number (717948743985).

Almost surely, 2^{10210002100120} is an apocalyptic number.

10210002100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210002100120 is an abundant number, since it is smaller than the sum of its proper divisors (12764357707400).

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

10210002100120 is a wasteful number, since it uses less digits than its factorization.

10210002100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20612035 (or 20612031 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10210002100120 its reverse (2100120001201), we get a palindrome (12310122101321).

The spelling of 10210002100120 in words is "ten trillion, two hundred ten billion, two million, one hundred thousand, one hundred twenty".