1112200121 has 8 divisors (see below), whose sum is σ = 1162848960. Its totient is φ = 1061742352.

The previous prime is 1112200099. The next prime is 1112200147. The reversal of 1112200121 is 1210022111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112200121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112200171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35795 + ... + 59208.

It is an arithmetic number, because the mean of its divisors is an integer number (145356120).

Almost surely, 2^1112200121 is an apocalyptic number.

It is an amenable number.

1112200121 is a deficient number, since it is larger than the sum of its proper divisors (50648839).

1112200121 is an equidigital number, since it uses as much as digits as its factorization.

1112200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95535.

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

The square root of 1112200121 is about 33349.6644810709. The cubic root of 1112200121 is about 1036.0824388541.

Adding to 1112200121 its reverse (1210022111), we get a palindrome (2322222232).

The spelling of 1112200121 in words is "one billion, one hundred twelve million, two hundred thousand, one hundred twenty-one".