111112220122222 has 32 divisors (see below), whose sum is σ = 192524222580480. Its totient is φ = 47532434167680.

The previous prime is 111112220122159. The next prime is 111112220122237. The reversal of 111112220122222 is 222221022211111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 111112220122193 and 111112220122202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1192279 + ... + 14954797.

It is an arithmetic number, because the mean of its divisors is an integer number (6016381955640).

Almost surely, 2^{111112220122222} is an apocalyptic number.

111112220122222 is a deficient number, since it is larger than the sum of its proper divisors (81412002458258).

111112220122222 is a wasteful number, since it uses less digits than its factorization.

111112220122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13784136.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 111112220122222 its reverse (222221022211111), we get a palindrome (333333242333333).

The spelling of 111112220122222 in words is "one hundred eleven trillion, one hundred twelve billion, two hundred twenty million, one hundred twenty-two thousand, two hundred twenty-two".