201333231122 has 4 divisors (see below), whose sum is σ = 301999846686. Its totient is φ = 100666615560.

The previous prime is 201333231079. The next prime is 201333231139. The reversal of 201333231122 is 221132333102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221132333102 = 2 ⋅110566166551.

It can be written as a sum of positive squares in only one way, i.e., 100749742921 + 100583488201 = 317411^2 + 317149^2 .

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, 50333307779 + ... + 50333307782.

Almost surely, 2^201333231122 is an apocalyptic number.

201333231122 is a deficient number, since it is larger than the sum of its proper divisors (100666615564).

201333231122 is a wasteful number, since it uses less digits than its factorization.

201333231122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100666615563.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 201333231122 its reverse (221132333102), we get a palindrome (422465564224).

The spelling of 201333231122 in words is "two hundred one billion, three hundred thirty-three million, two hundred thirty-one thousand, one hundred twenty-two".