100200212000121 has 16 divisors (see below), whose sum is σ = 141372497525760. Its totient is φ = 62995846692240.

The previous prime is 100200212000069. The next prime is 100200212000137. The reversal of 100200212000121 is 121000212002001.

It is a de Polignac number, because none of the positive numbers 2^k-100200212000121 is a prime.

It is a super-3 number, since 3×100200212000121³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100200212000097 and 100200212000106.

It is not an unprimeable number, because it can be changed into a prime (100200212080121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10226593591 + ... + 10226603388.

It is an arithmetic number, because the mean of its divisors is an integer number (8835781095360).

Almost surely, 2^{100200212000121} is an apocalyptic number.

It is an amenable number.

100200212000121 is a deficient number, since it is larger than the sum of its proper divisors (41172285525639).

100200212000121 is a wasteful number, since it uses less digits than its factorization.

100200212000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20453197076.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100200212000121 its reverse (121000212002001), we get a palindrome (221200424002122).

The spelling of 100200212000121 in words is "one hundred trillion, two hundred billion, two hundred twelve million, one hundred twenty-one", and thus it is an aban number.