11121124131211 has 2 divisors, whose sum is σ = 11121124131212. Its totient is φ = 11121124131210.

The previous prime is 11121124131109. The next prime is 11121124131307. The reversal of 11121124131211 is 11213142112111.

It is a m-pointer prime, because the next prime (11121124131307) can be obtained adding 11121124131211 to its product of digits (96).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11121124131211 - 2²¹ = 11121122034059 is a prime.

It is not a weakly prime, because it can be changed into another prime (11121124171211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560562065605 + 5560562065606.

It is an arithmetic number, because the mean of its divisors is an integer number (5560562065606).

Almost surely, 2^{11121124131211} is an apocalyptic number.

11121124131211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121124131211 is an equidigital number, since it uses as much as digits as its factorization.

11121124131211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 22.

Adding to 11121124131211 its reverse (11213142112111), we get a palindrome (22334266243322).

The spelling of 11121124131211 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty-four million, one hundred thirty-one thousand, two hundred eleven".