201201202011 has 4 divisors (see below), whose sum is σ = 268268269352. Its totient is φ = 134134134672.

The previous prime is 201201201997. The next prime is 201201202049. The reversal of 201201202011 is 110202102102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 201201202011 - 2⁵ = 201201201979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201201202051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33533533666 + ... + 33533533671.

It is an arithmetic number, because the mean of its divisors is an integer number (67067067338).

Almost surely, 2^201201202011 is an apocalyptic number.

201201202011 is a deficient number, since it is larger than the sum of its proper divisors (67067067341).

201201202011 is an equidigital number, since it uses as much as digits as its factorization.

201201202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67067067340.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201201202011 its reverse (110202102102), we get a palindrome (311403304113).

Subtracting from 201201202011 its reverse (110202102102), we obtain a palindrome (90999099909).

The spelling of 201201202011 in words is "two hundred one billion, two hundred one million, two hundred two thousand, eleven".