2101000210009 has 4 divisors (see below), whose sum is σ = 2136610383120. Its totient is φ = 2065390036900.

The previous prime is 2101000209989. The next prime is 2101000210087. The reversal of 2101000210009 is 9000120001012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2101000210009 - 2¹¹ = 2101000207961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101000209974 and 2101000210001.

It is not an unprimeable number, because it can be changed into a prime (2101000216009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17805086467 + ... + 17805086584.

It is an arithmetic number, because the mean of its divisors is an integer number (534152595780).

Almost surely, 2^{2101000210009} is an apocalyptic number.

It is an amenable number.

2101000210009 is a deficient number, since it is larger than the sum of its proper divisors (35610173111).

2101000210009 is an equidigital number, since it uses as much as digits as its factorization.

2101000210009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35610173110.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 2101000210009 in words is "two trillion, one hundred one billion, two hundred ten thousand, nine".