2100200102109 has 24 divisors (see below), whose sum is σ = 3305197661120. Its totient is φ = 1317772608192.

The previous prime is 2100200102107. The next prime is 2100200102153. The reversal of 2100200102109 is 9012010020012.

It is not a de Polignac number, because 2100200102109 - 2¹ = 2100200102107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100200102091 and 2100200102100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100200102107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134568649 + ... + 134584254.

Almost surely, 2^{2100200102109} is an apocalyptic number.

It is an amenable number.

2100200102109 is a deficient number, since it is larger than the sum of its proper divisors (1204997559011).

2100200102109 is a wasteful number, since it uses less digits than its factorization.

2100200102109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269152946 (or 269152923 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 2100200102109 in words is "two trillion, one hundred billion, two hundred million, one hundred two thousand, one hundred nine".