201201111120011 has 4 divisors (see below), whose sum is σ = 201207741166872. Its totient is φ = 201194481073152.

The previous prime is 201201111119947. The next prime is 201201111120091. The reversal of 201201111120011 is 110021111102102.

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

It is a cyclic number.

It is not a de Polignac number, because 201201111120011 - 2⁶ = 201201111119947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201201111120091) 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, 3314977910 + ... + 3315038603.

It is an arithmetic number, because the mean of its divisors is an integer number (50301935291718).

Almost surely, 2^{201201111120011} is an apocalyptic number.

201201111120011 is a deficient number, since it is larger than the sum of its proper divisors (6630046861).

201201111120011 is an equidigital number, since it uses as much as digits as its factorization.

201201111120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630046860.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 201201111120011 its reverse (110021111102102), we get a palindrome (311222222222113).

The spelling of 201201111120011 in words is "two hundred one trillion, two hundred one billion, one hundred eleven million, one hundred twenty thousand, eleven".