2101102002109 has 16 divisors (see below), whose sum is σ = 2366118475776. Its totient is φ = 1848423610800.

The previous prime is 2101102002101. The next prime is 2101102002127. The reversal of 2101102002109 is 9012002011012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2101102002109 - 2³ = 2101102002101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101102002101) 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, 16093954 + ... + 16223980.

It is an arithmetic number, because the mean of its divisors is an integer number (147882404736).

Almost surely, 2^{2101102002109} is an apocalyptic number.

It is an amenable number.

2101102002109 is a deficient number, since it is larger than the sum of its proper divisors (265016473667).

2101102002109 is a wasteful number, since it uses less digits than its factorization.

2101102002109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177456.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 2101102002109 in words is "two trillion, one hundred one billion, one hundred two million, two thousand, one hundred nine".