201101211011 has 4 divisors (see below), whose sum is σ = 201102909000. Its totient is φ = 201099513024.

The previous prime is 201101210977. The next prime is 201101211023. The reversal of 201101211011 is 110112101102.

201101211011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 201101211011 - 2²² = 201097016707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201101210983 and 201101211001.

It is not an unprimeable number, because it can be changed into a prime (201101211511) 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 3 ways as a sum of consecutive naturals, for example, 656846 + ... + 913043.

It is an arithmetic number, because the mean of its divisors is an integer number (50275727250).

Almost surely, 2^201101211011 is an apocalyptic number.

201101211011 is a deficient number, since it is larger than the sum of its proper divisors (1697989).

201101211011 is a wasteful number, since it uses less digits than its factorization.

201101211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697988.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 201101211011 its reverse (110112101102), we get a palindrome (311213312113).

The spelling of 201101211011 in words is "two hundred one billion, one hundred one million, two hundred eleven thousand, eleven".