112131221210 has 32 divisors (see below), whose sum is σ = 202128106752. Its totient is φ = 44787677760.

The previous prime is 112131221203. The next prime is 112131221221. The reversal of 112131221210 is 12122131211.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31398725 + ... + 31402295.

It is an arithmetic number, because the mean of its divisors is an integer number (6316503336).

Almost surely, 2^112131221210 is an apocalyptic number.

112131221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112131221210 is a deficient number, since it is larger than the sum of its proper divisors (89996885542).

112131221210 is a wasteful number, since it uses less digits than its factorization.

112131221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7238.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 112131221210 its reverse (12122131211), we get a palindrome (124253352421).

The spelling of 112131221210 in words is "one hundred twelve billion, one hundred thirty-one million, two hundred twenty-one thousand, two hundred ten".