201111213011 has 2 divisors, whose sum is σ = 201111213012. Its totient is φ = 201111213010.

The previous prime is 201111212999. The next prime is 201111213041. The reversal of 201111213011 is 110312111102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201111213011 - 2²⁶ = 201044104147 is a prime.

It is a super-2 number, since 2×201111213011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201111213041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100555606505 + 100555606506.

It is an arithmetic number, because the mean of its divisors is an integer number (100555606506).

Almost surely, 2^201111213011 is an apocalyptic number.

201111213011 is a deficient number, since it is larger than the sum of its proper divisors (1).

201111213011 is an equidigital number, since it uses as much as digits as its factorization.

201111213011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 201111213011 its reverse (110312111102), we get a palindrome (311423324113).

The spelling of 201111213011 in words is "two hundred one billion, one hundred eleven million, two hundred thirteen thousand, eleven".