112121122210 has 32 divisors (see below), whose sum is σ = 216090704880. Its totient is φ = 41736026112.

The previous prime is 112121122207. The next prime is 112121122229. The reversal of 112121122210 is 12221121211.

It can be written as a sum of positive squares in 8 ways, for example, as 73635706881 + 38485415329 = 271359^2 + 196177^2 .

It is a super-2 number, since 2×112121122210² (a number of 23 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 3690129 + ... + 3720388.

Almost surely, 2^112121122210 is an apocalyptic number.

112121122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112121122210 is a deficient number, since it is larger than the sum of its proper divisors (103969582670).

112121122210 is a wasteful number, since it uses less digits than its factorization.

112121122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7410630.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112121122210 its reverse (12221121211), we get a palindrome (124342243421).

Subtracting from 112121122210 its reverse (12221121211), we obtain a palindrome (99900000999).

The spelling of 112121122210 in words is "one hundred twelve billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred ten".