11213123071 has 2 divisors, whose sum is σ = 11213123072. Its totient is φ = 11213123070.

The previous prime is 11213123059. The next prime is 11213123113. The reversal of 11213123071 is 17032131211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11213123071 - 2¹⁹ = 11212598783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11213183071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606561535 + 5606561536.

It is an arithmetic number, because the mean of its divisors is an integer number (5606561536).

Almost surely, 2^11213123071 is an apocalyptic number.

11213123071 is a deficient number, since it is larger than the sum of its proper divisors (1).

11213123071 is an equidigital number, since it uses as much as digits as its factorization.

11213123071 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 22.

Adding to 11213123071 its reverse (17032131211), we get a palindrome (28245254282).

The spelling of 11213123071 in words is "eleven billion, two hundred thirteen million, one hundred twenty-three thousand, seventy-one".