201313010122 has 12 divisors (see below), whose sum is σ = 351270660690. Its totient is φ = 86277004296.

The previous prime is 201313010117. The next prime is 201313010123. The reversal of 201313010122 is 221010313102.

It can be written as a sum of positive squares in only one way, i.e., 119156826481 + 82156183641 = 345191^2 + 286629^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201313010096 and 201313010105.

It is not an unprimeable number, because it can be changed into a prime (201313010123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1027107097 + ... + 1027107292.

Almost surely, 2^201313010122 is an apocalyptic number.

201313010122 is a deficient number, since it is larger than the sum of its proper divisors (149957650568).

201313010122 is a wasteful number, since it uses less digits than its factorization.

201313010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054214405 (or 2054214398 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 201313010122 its reverse (221010313102), we get a palindrome (422323323224).

The spelling of 201313010122 in words is "two hundred one billion, three hundred thirteen million, ten thousand, one hundred twenty-two".