100012121000121 has 8 divisors (see below), whose sum is σ = 145472176000224. Its totient is φ = 60613406666720.

The previous prime is 100012121000117. The next prime is 100012121000219. The reversal of 100012121000121 is 121000121210001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100012121000121 - 2² = 100012121000117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100012121000097 and 100012121000106.

It is not an unprimeable number, because it can be changed into a prime (100012121000921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515335166636 + ... + 1515335166701.

It is an arithmetic number, because the mean of its divisors is an integer number (18184022000028).

Almost surely, 2^{100012121000121} is an apocalyptic number.

100012121000121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100012121000121 is a deficient number, since it is larger than the sum of its proper divisors (45460055000103).

100012121000121 is a wasteful number, since it uses less digits than its factorization.

100012121000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030670333351.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100012121000121 its reverse (121000121210001), we get a palindrome (221012242210122).

The spelling of 100012121000121 in words is "one hundred trillion, twelve billion, one hundred twenty-one million, one hundred twenty-one", and thus it is an aban number.