201133020242 has 128 divisors (see below), whose sum is σ = 387142778880. Its totient is φ = 76115520000.

The previous prime is 201133020239. The next prime is 201133020391. The reversal of 201133020242 is 242020331102.

201133020242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 234693878 + ... + 234694734.

It is an arithmetic number, because the mean of its divisors is an integer number (3024552960).

Almost surely, 2^201133020242 is an apocalyptic number.

201133020242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201133020242 is a deficient number, since it is larger than the sum of its proper divisors (186009758638).

201133020242 is a wasteful number, since it uses less digits than its factorization.

201133020242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 201133020242 its reverse (242020331102), we get a palindrome (443153351344).

The spelling of 201133020242 in words is "two hundred one billion, one hundred thirty-three million, twenty thousand, two hundred forty-two".