222111112300 has 144 divisors (see below), whose sum is σ = 603763856640. Its totient is φ = 68900832000.

The previous prime is 222111112207. The next prime is 222111112331. The reversal of 222111112300 is 3211111222.

It is a super-2 number, since 2×222111112300² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1556346 + ... + 1693054.

It is an arithmetic number, because the mean of its divisors is an integer number (4192804560).

Almost surely, 2^222111112300 is an apocalyptic number.

222111112300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222111112300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301881928320).

222111112300 is an abundant number, since it is smaller than the sum of its proper divisors (381652744340).

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

222111112300 is a wasteful number, since it uses less digits than its factorization.

222111112300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136952 (or 136945 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 222111112300 its reverse (3211111222), we get a palindrome (225322223522).

The spelling of 222111112300 in words is "two hundred twenty-two billion, one hundred eleven million, one hundred twelve thousand, three hundred".