2011113344021 has 2 divisors, whose sum is σ = 2011113344022. Its totient is φ = 2011113344020.

The previous prime is 2011113343979. The next prime is 2011113344063. The reversal of 2011113344021 is 1204433111102.

It is a balanced prime because it is at equal distance from previous prime (2011113343979) and next prime (2011113344063).

It can be written as a sum of positive squares in only one way, i.e., 1819194000625 + 191919343396 = 1348775^2 + 438086^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011113344021 - 2¹⁸ = 2011113081877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011113344321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005556672010 + 1005556672011.

It is an arithmetic number, because the mean of its divisors is an integer number (1005556672011).

Almost surely, 2^{2011113344021} is an apocalyptic number.

It is an amenable number.

2011113344021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011113344021 is an equidigital number, since it uses as much as digits as its factorization.

2011113344021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 2011113344021 its reverse (1204433111102), we get a palindrome (3215546455123).

The spelling of 2011113344021 in words is "two trillion, eleven billion, one hundred thirteen million, three hundred forty-four thousand, twenty-one".