111210322222 has 4 divisors (see below), whose sum is σ = 166815483336. Its totient is φ = 55605161110.

The previous prime is 111210322217. The next prime is 111210322231. The reversal of 111210322222 is 222223012111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222223012111 = 25127 ⋅8843993.

It is a self number, because there is not a number n which added to its sum of digits gives 111210322222.

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, 27802580554 + ... + 27802580557.

It is an arithmetic number, because the mean of its divisors is an integer number (41703870834).

Almost surely, 2^111210322222 is an apocalyptic number.

111210322222 is a deficient number, since it is larger than the sum of its proper divisors (55605161114).

111210322222 is an equidigital number, since it uses as much as digits as its factorization.

111210322222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55605161113.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 111210322222 its reverse (222223012111), we get a palindrome (333433334333).

The spelling of 111210322222 in words is "one hundred eleven billion, two hundred ten million, three hundred twenty-two thousand, two hundred twenty-two".