1112021210 has 8 divisors (see below), whose sum is σ = 2001638196. Its totient is φ = 444808480.

The previous prime is 1112021179. The next prime is 1112021213. The reversal of 1112021210 is 121202111.

It can be written as a sum of positive squares in 2 ways, for example, as 1099651921 + 12369289 = 33161^2 + 3517^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1112021191 and 1112021200.

It is not an unprimeable number, because it can be changed into a prime (1112021213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55601051 + ... + 55601070.

Almost surely, 2^1112021210 is an apocalyptic number.

1112021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1112021210 is a deficient number, since it is larger than the sum of its proper divisors (889616986).

1112021210 is a wasteful number, since it uses less digits than its factorization.

1112021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111202128.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1112021210 is about 33346.9820223660. The cubic root of 1112021210 is about 1036.0268803618.

Adding to 1112021210 its reverse (121202111), we get a palindrome (1233223321).

The spelling of 1112021210 in words is "one billion, one hundred twelve million, twenty-one thousand, two hundred ten".