112221122210 has 16 divisors (see below), whose sum is σ = 202836190392. Its totient is φ = 44702188800.

The previous prime is 112221122171. The next prime is 112221122287. The reversal of 112221122210 is 12221122211.

It can be written as a sum of positive squares in 4 ways, for example, as 90946274329 + 21274847881 = 301573^2 + 145859^2 .

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 7 ways as a sum of consecutive naturals, for example, 23279981 + ... + 23284800.

Almost surely, 2^112221122210 is an apocalyptic number.

112221122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112221122210 is a deficient number, since it is larger than the sum of its proper divisors (90615068182).

112221122210 is a wasteful number, since it uses less digits than its factorization.

112221122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46565029.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112221122210 its reverse (12221122211), we get a palindrome (124442244421).

Subtracting from 112221122210 its reverse (12221122211), we obtain a palindrome (99999999999).

The spelling of 112221122210 in words is "one hundred twelve billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred ten".