2011011211273 has 2 divisors, whose sum is σ = 2011011211274. Its totient is φ = 2011011211272.

The previous prime is 2011011211169. The next prime is 2011011211343. The reversal of 2011011211273 is 3721121101102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1995246651024 + 15764560249 = 1412532^2 + 125557^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011011211273 - 2¹⁷ = 2011011080201 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011018211273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005505605636 + 1005505605637.

It is an arithmetic number, because the mean of its divisors is an integer number (1005505605637).

Almost surely, 2^{2011011211273} is an apocalyptic number.

It is an amenable number.

2011011211273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011011211273 is an equidigital number, since it uses as much as digits as its factorization.

2011011211273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 22.

Adding to 2011011211273 its reverse (3721121101102), we get a palindrome (5732132312375).

The spelling of 2011011211273 in words is "two trillion, eleven billion, eleven million, two hundred eleven thousand, two hundred seventy-three".