11220111379 has 2 divisors, whose sum is σ = 11220111380. Its totient is φ = 11220111378.

The previous prime is 11220111317. The next prime is 11220111403. The reversal of 11220111379 is 97311102211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11220111379 - 2¹¹ = 11220109331 is a prime.

It is not a weakly prime, because it can be changed into another prime (11220111079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610055689 + 5610055690.

It is an arithmetic number, because the mean of its divisors is an integer number (5610055690).

Almost surely, 2^11220111379 is an apocalyptic number.

11220111379 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220111379 is an equidigital number, since it uses as much as digits as its factorization.

11220111379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 28.

The spelling of 11220111379 in words is "eleven billion, two hundred twenty million, one hundred eleven thousand, three hundred seventy-nine".