222103231211112 has 128 divisors (see below), whose sum is σ = 576161961580800. Its totient is φ = 71263148156928.

The previous prime is 222103231211093. The next prime is 222103231211137. The reversal of 222103231211112 is 211112132301222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327693918 + ... + 328370994.

It is an arithmetic number, because the mean of its divisors is an integer number (4501265324850).

Almost surely, 2^{222103231211112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222103231211112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288080980790400).

222103231211112 is an abundant number, since it is smaller than the sum of its proper divisors (354058730369688).

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

222103231211112 is a wasteful number, since it uses less digits than its factorization.

222103231211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678555 (or 678551 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 222103231211112 its reverse (211112132301222), we get a palindrome (433215363512334).

The spelling of 222103231211112 in words is "two hundred twenty-two trillion, one hundred three billion, two hundred thirty-one million, two hundred eleven thousand, one hundred twelve".