1012101100209 has 24 divisors (see below), whose sum is σ = 1495800270432. Its totient is φ = 659271545280.

The previous prime is 1012101100189. The next prime is 1012101100247. The reversal of 1012101100209 is 9020011012101.

It is a happy number.

It is not a de Polignac number, because 1012101100209 - 2⁵ = 1012101100177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012101100191 and 1012101100200.

It is not an unprimeable number, because it can be changed into a prime (1012101100279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7128247 + ... + 7268844.

It is an arithmetic number, because the mean of its divisors is an integer number (62325011268).

Almost surely, 2^{1012101100209} is an apocalyptic number.

It is an amenable number.

1012101100209 is a deficient number, since it is larger than the sum of its proper divisors (483699170223).

1012101100209 is a wasteful number, since it uses less digits than its factorization.

1012101100209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14397277 (or 14397274 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 1012101100209 in words is "one trillion, twelve billion, one hundred one million, one hundred thousand, two hundred nine".