2011213073 has 2 divisors, whose sum is σ = 2011213074. Its totient is φ = 2011213072.

The previous prime is 2011213037. The next prime is 2011213091. The reversal of 2011213073 is 3703121102.

Together with previous prime (2011213037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1321467904 + 689745169 = 36352^2 + 26263^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011213073 - 2⁸ = 2011212817 is a prime.

It is a super-2 number, since 2×2011213073² = 8089956050012206658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2011213003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005606536 + 1005606537.

It is an arithmetic number, because the mean of its divisors is an integer number (1005606537).

Almost surely, 2^2011213073 is an apocalyptic number.

It is an amenable number.

2011213073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011213073 is an equidigital number, since it uses as much as digits as its factorization.

2011213073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 2011213073 is about 44846.5502909644. The cubic root of 2011213073 is about 1262.2712609549.

Adding to 2011213073 its reverse (3703121102), we get a palindrome (5714334175).

The spelling of 2011213073 in words is "two billion, eleven million, two hundred thirteen thousand, seventy-three".