201233322542 has 16 divisors (see below), whose sum is σ = 350120238720. Its totient is φ = 84955645368.

The previous prime is 201233322517. The next prime is 201233322601. The reversal of 201233322542 is 245223332102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107266292 + ... + 107268167.

It is an arithmetic number, because the mean of its divisors is an integer number (21882514920).

Almost surely, 2^201233322542 is an apocalyptic number.

201233322542 is a deficient number, since it is larger than the sum of its proper divisors (148886916178).

201233322542 is a wasteful number, since it uses less digits than its factorization.

201233322542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214534535.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 201233322542 its reverse (245223332102), we get a palindrome (446456654644).

The spelling of 201233322542 in words is "two hundred one billion, two hundred thirty-three million, three hundred twenty-two thousand, five hundred forty-two".