112122122222220 has 96 divisors (see below), whose sum is σ = 342511090500096. Its totient is φ = 27178821196800.

The previous prime is 112122122222213. The next prime is 112122122222251. The reversal of 112122122222220 is 22222221221211.

It is a happy number.

It is a super-2 number, since 2×112122122222220² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 628932 + ... + 14987988.

It is an arithmetic number, because the mean of its divisors is an integer number (3567823859376).

Almost surely, 2^{112122122222220} is an apocalyptic number.

112122122222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112122122222220 is an abundant number, since it is smaller than the sum of its proper divisors (230388968277876).

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

112122122222220 is a wasteful number, since it uses less digits than its factorization.

112122122222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14370911 (or 14370909 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 112122122222220 its reverse (22222221221211), we get a palindrome (134344343443431).

The spelling of 112122122222220 in words is "one hundred twelve trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty".