112212211220222 has 4 divisors (see below), whose sum is σ = 168318316830336. Its totient is φ = 56106105610110.

The previous prime is 112212211220191. The next prime is 112212211220257. The reversal of 112212211220222 is 222022112212211.

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

It is a super-2 number, since 2×112212211220222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28053052805054 + ... + 28053052805057.

It is an arithmetic number, because the mean of its divisors is an integer number (42079579207584).

Almost surely, 2^{112212211220222} is an apocalyptic number.

112212211220222 is a deficient number, since it is larger than the sum of its proper divisors (56106105610114).

112212211220222 is an equidigital number, since it uses as much as digits as its factorization.

112212211220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56106105610113.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 112212211220222 its reverse (222022112212211), we get a palindrome (334234323432433).

The spelling of 112212211220222 in words is "one hundred twelve trillion, two hundred twelve billion, two hundred eleven million, two hundred twenty thousand, two hundred twenty-two".