201211100102011 has 16 divisors (see below), whose sum is σ = 206536240512000. Its totient is φ = 195929571454848.

The previous prime is 201211100101961. The next prime is 201211100102027. The reversal of 201211100102011 is 110201001112102.

It is a happy number.

201211100102011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 201211100102011 - 2⁹ = 201211100101499 is a prime.

It is a super-2 number, since 2×201211100102011² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201211100101982 and 201211100102000.

It is not an unprimeable number, because it can be changed into a prime (201211100102711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171069520 + ... + 172241698.

It is an arithmetic number, because the mean of its divisors is an integer number (12908515032000).

Almost surely, 2^{201211100102011} is an apocalyptic number.

201211100102011 is a deficient number, since it is larger than the sum of its proper divisors (5325140409989).

201211100102011 is a wasteful number, since it uses less digits than its factorization.

201211100102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190778.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201211100102011 its reverse (110201001112102), we get a palindrome (311412101214113).

The spelling of 201211100102011 in words is "two hundred one trillion, two hundred eleven billion, one hundred million, one hundred two thousand, eleven".