201020222002120 has 16 divisors (see below), whose sum is σ = 452295499504860. Its totient is φ = 80408088800832.

The previous prime is 201020222002081. The next prime is 201020222002163. The reversal of 201020222002120 is 21200222020102.

It can be written as a sum of positive squares in 2 ways, for example, as 166154007725476 + 34866214276644 = 12890074^2 + 5904762^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201020222002094 and 201020222002103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2512752774987 + ... + 2512752775066.

Almost surely, 2^{201020222002120} is an apocalyptic number.

201020222002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201020222002120 is an abundant number, since it is smaller than the sum of its proper divisors (251275277502740).

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

201020222002120 is a wasteful number, since it uses less digits than its factorization.

201020222002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5025505550064 (or 5025505550060 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201020222002120 its reverse (21200222020102), we get a palindrome (222220444022222).

The spelling of 201020222002120 in words is "two hundred one trillion, twenty billion, two hundred twenty-two million, two thousand, one hundred twenty".