201123220234 has 16 divisors (see below), whose sum is σ = 312314086656. Its totient is φ = 97037222400.

The previous prime is 201123220229. The next prime is 201123220261. The reversal of 201123220234 is 432022321102.

201123220234 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 7 ways as a sum of consecutive naturals, for example, 4652727 + ... + 4695754.

It is an arithmetic number, because the mean of its divisors is an integer number (19519630416).

Almost surely, 2^201123220234 is an apocalyptic number.

201123220234 is a deficient number, since it is larger than the sum of its proper divisors (111190866422).

201123220234 is a wasteful number, since it uses less digits than its factorization.

201123220234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9348861.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 201123220234 its reverse (432022321102), we get a palindrome (633145541336).

The spelling of 201123220234 in words is "two hundred one billion, one hundred twenty-three million, two hundred twenty thousand, two hundred thirty-four".