201020111002 has 8 divisors (see below), whose sum is σ = 302651097300. Its totient is φ = 100136411904.

The previous prime is 201020110997. The next prime is 201020111053. The reversal of 201020111002 is 200111020102.

201020111002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 184761565921 + 16258545081 = 429839^2 + 127509^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 201020111002.

It is an unprimeable number.

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, 186821127 + ... + 186822202.

Almost surely, 2^201020111002 is an apocalyptic number.

201020111002 is a deficient number, since it is larger than the sum of its proper divisors (101630986298).

201020111002 is a wasteful number, since it uses less digits than its factorization.

201020111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373643600.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201020111002 its reverse (200111020102), we get a palindrome (401131131104).

The spelling of 201020111002 in words is "two hundred one billion, twenty million, one hundred eleven thousand, two".