201122 has 8 divisors (see below), whose sum is σ = 303696. Its totient is φ = 99892.

The previous prime is 201121. The next prime is 201139. The reversal of 201122 is 221102.

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

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (201121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233 + ... + 675.

It is an arithmetic number, because the mean of its divisors is an integer number (37962).

2²⁰¹¹²² is an apocalyptic number.

201122 is a deficient number, since it is larger than the sum of its proper divisors (102574).

201122 is a wasteful number, since it uses less digits than its factorization.

201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672.

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

The square root of 201122 is about 448.4662752092. The cubic root of 201122 is about 58.5895091627.

Adding to 201122 its reverse (221102), we get a palindrome (422224).

It can be divided in two parts, 201 and 122, that added together give a palindrome (323).

The spelling of 201122 in words is "two hundred one thousand, one hundred twenty-two", and thus it is an iban number.