111113222279 has 2 divisors, whose sum is σ = 111113222280. Its totient is φ = 111113222278.

The previous prime is 111113222197. The next prime is 111113222293. The reversal of 111113222279 is 972222311111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111113222279 is a prime.

It is a super-2 number, since 2×111113222279² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111113222179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55556611139 + 55556611140.

It is an arithmetic number, because the mean of its divisors is an integer number (55556611140).

Almost surely, 2^111113222279 is an apocalyptic number.

111113222279 is a deficient number, since it is larger than the sum of its proper divisors (1).

111113222279 is an equidigital number, since it uses as much as digits as its factorization.

111113222279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 32.

The spelling of 111113222279 in words is "one hundred eleven billion, one hundred thirteen million, two hundred twenty-two thousand, two hundred seventy-nine".