11101321279 has 2 divisors, whose sum is σ = 11101321280. Its totient is φ = 11101321278.

The previous prime is 11101321271. The next prime is 11101321313. The reversal of 11101321279 is 97212310111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11101321279 - 2³ = 11101321271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101321271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550660639 + 5550660640.

It is an arithmetic number, because the mean of its divisors is an integer number (5550660640).

Almost surely, 2^11101321279 is an apocalyptic number.

11101321279 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101321279 is an equidigital number, since it uses as much as digits as its factorization.

11101321279 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 11101321279 in words is "eleven billion, one hundred one million, three hundred twenty-one thousand, two hundred seventy-nine".