112200121 has 4 divisors (see below), whose sum is σ = 122400144. Its totient is φ = 102000100.

The previous prime is 112200113. The next prime is 112200133. The reversal of 112200121 is 121002211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112200121 - 2³ = 112200113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112200098 and 112200107.

It is not an unprimeable number, because it can be changed into a prime (112203121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5099995 + ... + 5100016.

It is an arithmetic number, because the mean of its divisors is an integer number (30600036).

Almost surely, 2^112200121 is an apocalyptic number.

112200121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112200121 is a deficient number, since it is larger than the sum of its proper divisors (10200023).

112200121 is a wasteful number, since it uses less digits than its factorization.

112200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10200022.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 112200121 is about 10592.4558531060. The cubic root of 112200121 is about 482.3153772969.

Adding to 112200121 its reverse (121002211), we get a palindrome (233202332).

The spelling of 112200121 in words is "one hundred twelve million, two hundred thousand, one hundred twenty-one".