122112201 has 4 divisors (see below), whose sum is σ = 162816272. Its totient is φ = 81408132.

The previous prime is 122112197. The next prime is 122112209. The reversal of 122112201 is 102211221.

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 not a de Polignac number, because 122112201 - 2² = 122112197 is a prime.

It is a super-2 number, since 2×122112201² = 29822779266128802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122112209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20352031 + ... + 20352036.

It is an arithmetic number, because the mean of its divisors is an integer number (40704068).

Almost surely, 2^122112201 is an apocalyptic number.

It is an amenable number.

122112201 is a deficient number, since it is larger than the sum of its proper divisors (40704071).

122112201 is an equidigital number, since it uses as much as digits as its factorization.

122112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40704070.

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

The square root of 122112201 is about 11050.4389505576. The cubic root of 122112201 is about 496.1195636688.

Adding to 122112201 its reverse (102211221), we get a palindrome (224323422).

It can be divided in two parts, 12211220 and 1, that added together give a palindrome (12211221).

The spelling of 122112201 in words is "one hundred twenty-two million, one hundred twelve thousand, two hundred one".