201020201303122 has 48 divisors (see below), whose sum is σ = 316285909029000. Its totient is φ = 95706844756992.

The previous prime is 201020201303039. The next prime is 201020201303171. The reversal of 201020201303122 is 221303102020102.

It can be written as a sum of positive squares in 12 ways, for example, as 11784108974401 + 189236092328721 = 3432799^2 + 13756311^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201020201303122.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5461151454 + ... + 5461188262.

Almost surely, 2^{201020201303122} is an apocalyptic number.

201020201303122 is a deficient number, since it is larger than the sum of its proper divisors (115265707725878).

201020201303122 is a wasteful number, since it uses less digits than its factorization.

201020201303122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54655 (or 54582 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201020201303122 its reverse (221303102020102), we get a palindrome (422323303323224).

The spelling of 201020201303122 in words is "two hundred one trillion, twenty billion, two hundred one million, three hundred three thousand, one hundred twenty-two".