11121139 has 2 divisors, whose sum is σ = 11121140. Its totient is φ = 11121138.

The previous prime is 11121083. The next prime is 11121163. The reversal of 11121139 is 93112111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11121139 - 2¹¹ = 11119091 is a prime.

It is not a weakly prime, because it can be changed into another prime (11125139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560569 + 5560570.

It is an arithmetic number, because the mean of its divisors is an integer number (5560570).

Almost surely, 2^11121139 is an apocalyptic number.

11121139 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121139 is an equidigital number, since it uses as much as digits as its factorization.

11121139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54, while the sum is 19.

The square root of 11121139 is about 3334.8371774346. The cubic root of 11121139 is about 223.2114265014.

The spelling of 11121139 in words is "eleven million, one hundred twenty-one thousand, one hundred thirty-nine".