11011211122123 has 2 divisors, whose sum is σ = 11011211122124. Its totient is φ = 11011211122122.

The previous prime is 11011211122091. The next prime is 11011211122183. The reversal of 11011211122123 is 32122111211011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11011211122123 - 2⁵ = 11011211122091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11011211122123.

It is not a weakly prime, because it can be changed into another prime (11011211122183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505605561061 + 5505605561062.

It is an arithmetic number, because the mean of its divisors is an integer number (5505605561062).

Almost surely, 2^{11011211122123} is an apocalyptic number.

11011211122123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011211122123 is an equidigital number, since it uses as much as digits as its factorization.

11011211122123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 11011211122123 its reverse (32122111211011), we get a palindrome (43133322333134).

The spelling of 11011211122123 in words is "eleven trillion, eleven billion, two hundred eleven million, one hundred twenty-two thousand, one hundred twenty-three".