201101011011 has 12 divisors (see below), whose sum is σ = 301237728792. Its totient is φ = 134067340512.

The previous prime is 201101010977. The next prime is 201101011043. The reversal of 201101011011 is 110110101102.

201101011011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201101011011 - 2⁶ = 201101010947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 201101010984 and 201101011002.

It is not an unprimeable number, because it can be changed into a prime (201101011051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 413787846 + ... + 413788331.

It is an arithmetic number, because the mean of its divisors is an integer number (25103144066).

Almost surely, 2^201101011011 is an apocalyptic number.

201101011011 is a deficient number, since it is larger than the sum of its proper divisors (100136717781).

201101011011 is an frugal number, since it uses more digits than its factorization.

201101011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827576192 (or 827576180 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 201101011011 its reverse (110110101102), we get a palindrome (311211112113).

Subtracting from 201101011011 its reverse (110110101102), we obtain a palindrome (90990909909).

It can be divided in two parts, 20110101101 and 1, that added together give a palindrome (20110101102).

The spelling of 201101011011 in words is "two hundred one billion, one hundred one million, eleven thousand, eleven".