11121031349 has 2 divisors, whose sum is σ = 11121031350. Its totient is φ = 11121031348.

The previous prime is 11121031319. The next prime is 11121031351. The reversal of 11121031349 is 94313012111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10381572100 + 739459249 = 101890^2 + 27193^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121031349 - 2²⁰ = 11119982773 is a prime.

Together with 11121031351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11121031319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560515674 + 5560515675.

It is an arithmetic number, because the mean of its divisors is an integer number (5560515675).

Almost surely, 2^11121031349 is an apocalyptic number.

It is an amenable number.

11121031349 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121031349 is an equidigital number, since it uses as much as digits as its factorization.

11121031349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 11121031349 in words is "eleven billion, one hundred twenty-one million, thirty-one thousand, three hundred forty-nine".