100121010002009 has 8 divisors (see below), whose sum is σ = 105391681220640. Its totient is φ = 94850453221056.

The previous prime is 100121010001997. The next prime is 100121010002029. The reversal of 100121010002009 is 900200010121001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100121010002009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100121010002029) 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, 26810672 + ... + 30315905.

It is an arithmetic number, because the mean of its divisors is an integer number (13173960152580).

Almost surely, 2^{100121010002009} is an apocalyptic number.

100121010002009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

100121010002009 is a deficient number, since it is larger than the sum of its proper divisors (5270671218631).

100121010002009 is an equidigital number, since it uses as much as digits as its factorization.

100121010002009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57218839.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 100121010002009 in words is "one hundred trillion, one hundred twenty-one billion, ten million, two thousand, nine".