1012110120211 has 4 divisors (see below), whose sum is σ = 1024921640800. Its totient is φ = 999298599624.

The previous prime is 1012110120193. The next prime is 1012110120221. The reversal of 1012110120211 is 1120210112101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1012110120211 - 2¹¹ = 1012110118163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012110120191 and 1012110120200.

It is not an unprimeable number, because it can be changed into a prime (1012110120221) 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 3 ways as a sum of consecutive naturals, for example, 6405760176 + ... + 6405760333.

It is an arithmetic number, because the mean of its divisors is an integer number (256230410200).

Almost surely, 2^{1012110120211} is an apocalyptic number.

1012110120211 is a deficient number, since it is larger than the sum of its proper divisors (12811520589).

1012110120211 is an equidigital number, since it uses as much as digits as its factorization.

1012110120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12811520588.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1012110120211 its reverse (1120210112101), we get a palindrome (2132320232312).

The spelling of 1012110120211 in words is "one trillion, twelve billion, one hundred ten million, one hundred twenty thousand, two hundred eleven".