201201122 has 4 divisors (see below), whose sum is σ = 301801686. Its totient is φ = 100600560.

The previous prime is 201201113. The next prime is 201201131. The reversal of 201201122 is 221102102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (201201113) and next prime (201201131).

It can be written as a sum of positive squares in only one way, i.e., 170276401 + 30924721 = 13049^2 + 5561^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50300279 + ... + 50300282.

Almost surely, 2^201201122 is an apocalyptic number.

201201122 is a deficient number, since it is larger than the sum of its proper divisors (100600564).

201201122 is a wasteful number, since it uses less digits than its factorization.

201201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100600563.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 201201122 is about 14184.5381313598. The cubic root of 201201122 is about 585.9719125180.

Adding to 201201122 its reverse (221102102), we get a palindrome (422303224).

The spelling of 201201122 in words is "two hundred one million, two hundred one thousand, one hundred twenty-two".