111112211220219 has 96 divisors (see below), whose sum is σ = 177023226691584. Its totient is φ = 66600062907840.

The previous prime is 111112211220217. The next prime is 111112211220239. The reversal of 111112211220219 is 912022112211111.

It is a happy number.

111112211220219 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 1 + 221 + 1 + 220 + 219 = 666.

It is not a de Polignac number, because 111112211220219 - 2¹ = 111112211220217 is a prime.

It is a super-3 number, since 3×111112211220219³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 111112211220192 and 111112211220201.

It is not an unprimeable number, because it can be changed into a prime (111112211220217) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6466394902 + ... + 6466412084.

It is an arithmetic number, because the mean of its divisors is an integer number (1843991944704).

Almost surely, 2^{111112211220219} is an apocalyptic number.

111112211220219 is a deficient number, since it is larger than the sum of its proper divisors (65911015471365).

111112211220219 is a wasteful number, since it uses less digits than its factorization.

111112211220219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19317 (or 19314 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 27.

The spelling of 111112211220219 in words is "one hundred eleven trillion, one hundred twelve billion, two hundred eleven million, two hundred twenty thousand, two hundred nineteen".