201020002122 has 8 divisors (see below), whose sum is σ = 402040004256. Its totient is φ = 67006667372.

The previous prime is 201020002111. The next prime is 201020002129. The reversal of 201020002122 is 221200020102.

It is a sphenic number, since it is the product of 3 distinct primes.

201020002122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 201020002098 and 201020002107.

It is not an unprimeable number, because it can be changed into a prime (201020002129) 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 3 ways as a sum of consecutive naturals, for example, 16751666838 + ... + 16751666849.

It is an arithmetic number, because the mean of its divisors is an integer number (50255000532).

Almost surely, 2^201020002122 is an apocalyptic number.

201020002122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201020002122 is a wasteful number, since it uses less digits than its factorization.

201020002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33503333692.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 201020002122 its reverse (221200020102), we get a palindrome (422220022224).

The spelling of 201020002122 in words is "two hundred one billion, twenty million, two thousand, one hundred twenty-two".