201140122 has 4 divisors (see below), whose sum is σ = 301710186. Its totient is φ = 100570060.

The previous prime is 201140117. The next prime is 201140123. The reversal of 201140122 is 221041102.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 196028001 + 5112121 = 14001^2 + 2261^2 .

It is not an unprimeable number, because it can be changed into a prime (201140123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50285029 + ... + 50285032.

Almost surely, 2^201140122 is an apocalyptic number.

201140122 is a deficient number, since it is larger than the sum of its proper divisors (100570064).

201140122 is a wasteful number, since it uses less digits than its factorization.

201140122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100570063.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 201140122 is about 14182.3877397285. The cubic root of 201140122 is about 585.9126883626.

Adding to 201140122 its reverse (221041102), we get a palindrome (422181224).

The spelling of 201140122 in words is "two hundred one million, one hundred forty thousand, one hundred twenty-two".