111312223130222 has 4 divisors (see below), whose sum is σ = 166968334695336. Its totient is φ = 55656111565110.

The previous prime is 111312223130209. The next prime is 111312223130243. The reversal of 111312223130222 is 222031322213111.

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

It is a super-2 number, since 2×111312223130222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111312223130191 and 111312223130200.

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, 27828055782554 + ... + 27828055782557.

It is an arithmetic number, because the mean of its divisors is an integer number (41742083673834).

Almost surely, 2^{111312223130222} is an apocalyptic number.

111312223130222 is a deficient number, since it is larger than the sum of its proper divisors (55656111565114).

111312223130222 is an equidigital number, since it uses as much as digits as its factorization.

111312223130222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55656111565113.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 111312223130222 its reverse (222031322213111), we get a palindrome (333343545343333).

The spelling of 111312223130222 in words is "one hundred eleven trillion, three hundred twelve billion, two hundred twenty-three million, one hundred thirty thousand, two hundred twenty-two".