111012112219 has 2 divisors, whose sum is σ = 111012112220. Its totient is φ = 111012112218.

The previous prime is 111012112181. The next prime is 111012112243. The reversal of 111012112219 is 912211210111.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (912211210111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111012112219 is a prime.

It is a super-2 number, since 2×111012112219² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111012112219.

It is not a weakly prime, because it can be changed into another prime (111012112279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506056109 + 55506056110.

It is an arithmetic number, because the mean of its divisors is an integer number (55506056110).

Almost surely, 2^111012112219 is an apocalyptic number.

111012112219 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012112219 is an equidigital number, since it uses as much as digits as its factorization.

111012112219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 111012112219 in words is "one hundred eleven billion, twelve million, one hundred twelve thousand, two hundred nineteen".