1112210022222 has 256 divisors, whose sum is σ = 2791451013120. Its totient is φ = 325984103424.

The previous prime is 1112210022221. The next prime is 1112210022241. The reversal of 1112210022222 is 2222200122111.

It is a happy number.

It is a super-2 number, since 2×1112210022222² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1112210022195 and 1112210022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112210022221) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 449739978 + ... + 449742450.

It is an arithmetic number, because the mean of its divisors is an integer number (10904105520).

Almost surely, 2^{1112210022222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112210022222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1395725506560).

1112210022222 is an abundant number, since it is smaller than the sum of its proper divisors (1679240990898).

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

1112210022222 is a wasteful number, since it uses less digits than its factorization.

1112210022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904 (or 2898 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1112210022222 its reverse (2222200122111), we get a palindrome (3334410144333).

The spelling of 1112210022222 in words is "one trillion, one hundred twelve billion, two hundred ten million, twenty-two thousand, two hundred twenty-two".