2010721116111 has 4 divisors (see below), whose sum is σ = 2680961488152. Its totient is φ = 1340480744072.

The previous prime is 2010721116023. The next prime is 2010721116139. The reversal of 2010721116111 is 1116111270102.

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 2010721116111 - 2³⁴ = 1993541246927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010721116161) 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, 335120186016 + ... + 335120186021.

It is an arithmetic number, because the mean of its divisors is an integer number (670240372038).

Almost surely, 2^{2010721116111} is an apocalyptic number.

2010721116111 is a deficient number, since it is larger than the sum of its proper divisors (670240372041).

2010721116111 is an equidigital number, since it uses as much as digits as its factorization.

2010721116111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670240372040.

The product of its (nonzero) digits is 168, while the sum is 24.

Adding to 2010721116111 its reverse (1116111270102), we get a palindrome (3126832386213).

The spelling of 2010721116111 in words is "two trillion, ten billion, seven hundred twenty-one million, one hundred sixteen thousand, one hundred eleven".