201011121201111 has 32 divisors (see below), whose sum is σ = 290232007564800. Its totient is φ = 123013800835200.

The previous prime is 201011121201091. The next prime is 201011121201119. The reversal of 201011121201111 is 111102121110102.

It is a de Polignac number, because none of the positive numbers 2^k-201011121201111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011121201119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8280081 + ... + 21692901.

It is an arithmetic number, because the mean of its divisors is an integer number (9069750236400).

Almost surely, 2^{201011121201111} is an apocalyptic number.

201011121201111 is a deficient number, since it is larger than the sum of its proper divisors (89220886363689).

201011121201111 is a wasteful number, since it uses less digits than its factorization.

201011121201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13414967.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 201011121201111 its reverse (111102121110102), we get a palindrome (312113242311213).

The spelling of 201011121201111 in words is "two hundred one trillion, eleven billion, one hundred twenty-one million, two hundred one thousand, one hundred eleven".