11411142121 has 2 divisors, whose sum is σ = 11411142122. Its totient is φ = 11411142120.

The previous prime is 11411142109. The next prime is 11411142161. The reversal of 11411142121 is 12124111411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11116539225 + 294602896 = 105435^2 + 17164^2 .

It is an emirp because it is prime and its reverse (12124111411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11411142121 - 2⁵ = 11411142089 is a prime.

It is not a weakly prime, because it can be changed into another prime (11411142161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5705571060 + 5705571061.

It is an arithmetic number, because the mean of its divisors is an integer number (5705571061).

Almost surely, 2^11411142121 is an apocalyptic number.

It is an amenable number.

11411142121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11411142121 is an equidigital number, since it uses as much as digits as its factorization.

11411142121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64, while the sum is 19.

Adding to 11411142121 its reverse (12124111411), we get a palindrome (23535253532).

The spelling of 11411142121 in words is "eleven billion, four hundred eleven million, one hundred forty-two thousand, one hundred twenty-one".