112122201 has 4 divisors (see below), whose sum is σ = 149496272. Its totient is φ = 74748132.

The previous prime is 112122193. The next prime is 112122239. The reversal of 112122201 is 102221211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102221211 = 3 ⋅34073737.

It is not a de Polignac number, because 112122201 - 2³ = 112122193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112122271) 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, 18687031 + ... + 18687036.

It is an arithmetic number, because the mean of its divisors is an integer number (37374068).

Almost surely, 2^112122201 is an apocalyptic number.

It is an amenable number.

112122201 is a deficient number, since it is larger than the sum of its proper divisors (37374071).

112122201 is an equidigital number, since it uses as much as digits as its factorization.

112122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37374070.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 112122201 is about 10588.7771248620. Note that the first 3 decimals coincide. The cubic root of 112122201 is about 482.2036997065.

Adding to 112122201 its reverse (102221211), we get a palindrome (214343412).

It can be divided in two parts, 11 and 2122201, that added together give a palindrome (2122212).

The spelling of 112122201 in words is "one hundred twelve million, one hundred twenty-two thousand, two hundred one".