111100212100219 has 2 divisors, whose sum is σ = 111100212100220. Its totient is φ = 111100212100218.

The previous prime is 111100212100187. The next prime is 111100212100231. The reversal of 111100212100219 is 912001212001111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111100212100219 - 2⁵ = 111100212100187 is a prime.

It is a super-2 number, since 2×111100212100219² (a number of 29 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 111100212100219.

It is not a weakly prime, because it can be changed into another prime (111100212100289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550106050109 + 55550106050110.

It is an arithmetic number, because the mean of its divisors is an integer number (55550106050110).

Almost surely, 2^{111100212100219} is an apocalyptic number.

111100212100219 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100212100219 is an equidigital number, since it uses as much as digits as its factorization.

111100212100219 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 111100212100219 in words is "one hundred eleven trillion, one hundred billion, two hundred twelve million, one hundred thousand, two hundred nineteen".