201034231221 has 16 divisors (see below), whose sum is σ = 283823222400. Its totient is φ = 126134596608.

The previous prime is 201034231157. The next prime is 201034231241. The reversal of 201034231221 is 122132430102.

It is not a de Polignac number, because 201034231221 - 2⁶ = 201034231157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201034231241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1892365 + ... + 1995773.

It is an arithmetic number, because the mean of its divisors is an integer number (17738951400).

Almost surely, 2^201034231221 is an apocalyptic number.

It is an amenable number.

201034231221 is a deficient number, since it is larger than the sum of its proper divisors (82788991179).

201034231221 is a wasteful number, since it uses less digits than its factorization.

201034231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141548.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 201034231221 its reverse (122132430102), we get a palindrome (323166661323).

The spelling of 201034231221 in words is "two hundred one billion, thirty-four million, two hundred thirty-one thousand, two hundred twenty-one".