2100120000049 has 8 divisors (see below), whose sum is σ = 2139687244800. Its totient is φ = 2060892388656.

The previous prime is 2100120000029. The next prime is 2100120000089. The reversal of 2100120000049 is 9400000210012.

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 2100120000049 - 2¹³ = 2100119991857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100119999990 and 2100120000035.

It is not an unprimeable number, because it can be changed into a prime (2100120000029) 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, 84895857 + ... + 84920590.

It is an arithmetic number, because the mean of its divisors is an integer number (267460905600).

Almost surely, 2^{2100120000049} is an apocalyptic number.

It is an amenable number.

2100120000049 is a deficient number, since it is larger than the sum of its proper divisors (39567244751).

2100120000049 is a wasteful number, since it uses less digits than its factorization.

2100120000049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169816679.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 2100120000049 in words is "two trillion, one hundred billion, one hundred twenty million, forty-nine", and thus it is an aban number.