211002011101111 has 16 divisors (see below), whose sum is σ = 225527850123264. Its totient is φ = 196947643584384.

The previous prime is 211002011101073. The next prime is 211002011101127. The reversal of 211002011101111 is 111101110200112.

It is not a de Polignac number, because 211002011101111 - 2³¹ = 210999863617463 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211002011101091 and 211002011101100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211002011801111) 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, 289237335 + ... + 289965928.

It is an arithmetic number, because the mean of its divisors is an integer number (14095490632704).

Almost surely, 2^{211002011101111} is an apocalyptic number.

211002011101111 is a deficient number, since it is larger than the sum of its proper divisors (14525839022153).

211002011101111 is a wasteful number, since it uses less digits than its factorization.

211002011101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579203670.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 211002011101111 its reverse (111101110200112), we get a palindrome (322103121301223).

Subtracting from 211002011101111 its reverse (111101110200112), we obtain a palindrome (99900900900999).

The spelling of 211002011101111 in words is "two hundred eleven trillion, two billion, eleven million, one hundred one thousand, one hundred eleven".