201011001002 has 32 divisors (see below), whose sum is σ = 348001505280. Its totient is φ = 85295651760.

The previous prime is 201011001001. The next prime is 201011001007. The reversal of 201011001002 is 200100110102.

It is not an unprimeable number, because it can be changed into a prime (201011001001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2766899 + ... + 2838617.

It is an arithmetic number, because the mean of its divisors is an integer number (10875047040).

Almost surely, 2^201011001002 is an apocalyptic number.

201011001002 is a deficient number, since it is larger than the sum of its proper divisors (146990504278).

201011001002 is a wasteful number, since it uses less digits than its factorization.

201011001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73706.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 201011001002 its reverse (200100110102), we get a palindrome (401111111104).

The spelling of 201011001002 in words is "two hundred one billion, eleven million, one thousand, two".