100101021020009 has 16 divisors (see below), whose sum is σ = 100527957760320. Its totient is φ = 99674987892480.

The previous prime is 100101021019997. The next prime is 100101021020041. The reversal of 100101021020009 is 900020120101001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100101021020009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100101021020059) 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, 1857789749 + ... + 1857843629.

It is an arithmetic number, because the mean of its divisors is an integer number (6282997360020).

Almost surely, 2^{100101021020009} is an apocalyptic number.

It is an amenable number.

100101021020009 is a deficient number, since it is larger than the sum of its proper divisors (426936740311).

100101021020009 is an equidigital number, since it uses as much as digits as its factorization.

100101021020009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62120.

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

The spelling of 100101021020009 in words is "one hundred trillion, one hundred one billion, twenty-one million, twenty thousand, nine".