111210112122222 has 64 divisors (see below), whose sum is σ = 231016826779200. Its totient is φ = 35660013143040.

The previous prime is 111210112122217. The next prime is 111210112122227. The reversal of 111210112122222 is 222221211012111.

It is an interprime number because it is at equal distance from previous prime (111210112122217) and next prime (111210112122227).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111210112122227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252306804 + ... + 252747192.

It is an arithmetic number, because the mean of its divisors is an integer number (3609637918425).

Almost surely, 2^{111210112122222} is an apocalyptic number.

111210112122222 is an abundant number, since it is smaller than the sum of its proper divisors (119806714656978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111210112122222 is a wasteful number, since it uses less digits than its factorization.

111210112122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453301.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 111210112122222 its reverse (222221211012111), we get a palindrome (333431323134333).

The spelling of 111210112122222 in words is "one hundred eleven trillion, two hundred ten billion, one hundred twelve million, one hundred twenty-two thousand, two hundred twenty-two".