111312100219 has 2 divisors, whose sum is σ = 111312100220. Its totient is φ = 111312100218.

The previous prime is 111312100127. The next prime is 111312100313. The reversal of 111312100219 is 912001213111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111312100219 - 2¹³ = 111312092027 is a prime.

It is a super-2 number, since 2×111312100219² (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 111312100219.

It is not a weakly prime, because it can be changed into another prime (111312100619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55656050109 + 55656050110.

It is an arithmetic number, because the mean of its divisors is an integer number (55656050110).

Almost surely, 2^111312100219 is an apocalyptic number.

111312100219 is a deficient number, since it is larger than the sum of its proper divisors (1).

111312100219 is an equidigital number, since it uses as much as digits as its factorization.

111312100219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 111312100219 in words is "one hundred eleven billion, three hundred twelve million, one hundred thousand, two hundred nineteen".