201122102 has 4 divisors (see below), whose sum is σ = 301683156. Its totient is φ = 100561050.

The previous prime is 201122101. The next prime is 201122161. The reversal of 201122102 is 201221102.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122101) by changing a digit.

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, 50280524 + ... + 50280527.

It is an arithmetic number, because the mean of its divisors is an integer number (75420789).

Almost surely, 2^201122102 is an apocalyptic number.

201122102 is a deficient number, since it is larger than the sum of its proper divisors (100561054).

201122102 is a wasteful number, since it uses less digits than its factorization.

201122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100561053.

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

The square root of 201122102 is about 14181.7524305003. The cubic root of 201122102 is about 585.8951906735.

Adding to 201122102 its reverse (201221102), we get a palindrome (402343204).

The spelling of 201122102 in words is "two hundred one million, one hundred twenty-two thousand, one hundred two".