111112212022222 has 4 divisors (see below), whose sum is σ = 166668318033336. Its totient is φ = 55556106011110.

The previous prime is 111112212022219. The next prime is 111112212022241. The reversal of 111112212022222 is 222220212211111.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 111112212022193 and 111112212022202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27778053005554 + ... + 27778053005557.

It is an arithmetic number, because the mean of its divisors is an integer number (41667079508334).

Almost surely, 2^{111112212022222} is an apocalyptic number.

111112212022222 is a deficient number, since it is larger than the sum of its proper divisors (55556106011114).

111112212022222 is an equidigital number, since it uses as much as digits as its factorization.

111112212022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55556106011113.

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

Adding to 111112212022222 its reverse (222220212211111), we get a palindrome (333332424233333).

The spelling of 111112212022222 in words is "one hundred eleven trillion, one hundred twelve billion, two hundred twelve million, twenty-two thousand, two hundred twenty-two".