111022112212222 has 4 divisors (see below), whose sum is σ = 166533168318336. Its totient is φ = 55511056106110.

The previous prime is 111022112212211. The next prime is 111022112212223. The reversal of 111022112212222 is 222212211220111.

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 = 111022112212193 and 111022112212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022112212223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755528053054 + ... + 27755528053057.

It is an arithmetic number, because the mean of its divisors is an integer number (41633292079584).

Almost surely, 2^{111022112212222} is an apocalyptic number.

111022112212222 is a deficient number, since it is larger than the sum of its proper divisors (55511056106114).

111022112212222 is an equidigital number, since it uses as much as digits as its factorization.

111022112212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55511056106113.

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

Adding to 111022112212222 its reverse (222212211220111), we get a palindrome (333234323432333).

The spelling of 111022112212222 in words is "one hundred eleven trillion, twenty-two billion, one hundred twelve million, two hundred twelve thousand, two hundred twenty-two".