201321100334 has 16 divisors (see below), whose sum is σ = 317884534800. Its totient is φ = 95359892544.

The previous prime is 201321100289. The next prime is 201321100367. The reversal of 201321100334 is 433001123102.

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, 2013722 + ... + 2111330.

It is an arithmetic number, because the mean of its divisors is an integer number (19867783425).

Almost surely, 2^201321100334 is an apocalyptic number.

201321100334 is a deficient number, since it is larger than the sum of its proper divisors (116563434466).

201321100334 is a wasteful number, since it uses less digits than its factorization.

201321100334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151907.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201321100334 its reverse (433001123102), we get a palindrome (634322223436).

The spelling of 201321100334 in words is "two hundred one billion, three hundred twenty-one million, one hundred thousand, three hundred thirty-four".