11223321979 has 2 divisors, whose sum is σ = 11223321980. Its totient is φ = 11223321978.

The previous prime is 11223321971. The next prime is 11223322009. The reversal of 11223321979 is 97912332211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11223321979 - 2³ = 11223321971 is a prime.

It is a super-4 number, since 4×11223321979⁴ (a number of 41 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (11223321971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611660989 + 5611660990.

It is an arithmetic number, because the mean of its divisors is an integer number (5611660990).

Almost surely, 2^11223321979 is an apocalyptic number.

11223321979 is a deficient number, since it is larger than the sum of its proper divisors (1).

11223321979 is an equidigital number, since it uses as much as digits as its factorization.

11223321979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 40.

The spelling of 11223321979 in words is "eleven billion, two hundred twenty-three million, three hundred twenty-one thousand, nine hundred seventy-nine".