201044320122 has 32 divisors (see below), whose sum is σ = 410718553344. Its totient is φ = 65576974400.

The previous prime is 201044320121. The next prime is 201044320231. The reversal of 201044320122 is 221023440102.

It is not an unprimeable number, because it can be changed into a prime (201044320121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1556872 + ... + 1681052.

It is an arithmetic number, because the mean of its divisors is an integer number (12834954792).

Almost surely, 2^201044320122 is an apocalyptic number.

201044320122 is an abundant number, since it is smaller than the sum of its proper divisors (209674233222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201044320122 is a wasteful number, since it uses less digits than its factorization.

201044320122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129974.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 201044320122 its reverse (221023440102), we get a palindrome (422067760224).

The spelling of 201044320122 in words is "two hundred one billion, forty-four million, three hundred twenty thousand, one hundred twenty-two".