1010200112105 has 4 divisors (see below), whose sum is σ = 1212240134532. Its totient is φ = 808160089680.

The previous prime is 1010200112093. The next prime is 1010200112123. The reversal of 1010200112105 is 5012110020101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 423419599849 + 586780512256 = 650707^2 + 766016^2 .

It is not a de Polignac number, because 1010200112105 - 2⁸ = 1010200111849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1010200112105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101020011206 + ... + 101020011215.

It is an arithmetic number, because the mean of its divisors is an integer number (303060033633).

Almost surely, 2^{1010200112105} is an apocalyptic number.

It is an amenable number.

1010200112105 is a deficient number, since it is larger than the sum of its proper divisors (202040022427).

1010200112105 is an equidigital number, since it uses as much as digits as its factorization.

1010200112105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202040022426.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 1010200112105 its reverse (5012110020101), we get a palindrome (6022310132206).

The spelling of 1010200112105 in words is "one trillion, ten billion, two hundred million, one hundred twelve thousand, one hundred five".