211102002221111 has 16 divisors (see below), whose sum is σ = 221246688115200. Its totient is φ = 201037879693728.

The previous prime is 211102002221101. The next prime is 211102002221119. The reversal of 211102002221111 is 111122200201112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211102002221111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211102002221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211102002221119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282564920 + ... + 283311026.

It is an arithmetic number, because the mean of its divisors is an integer number (13827918007200).

Almost surely, 2^{211102002221111} is an apocalyptic number.

211102002221111 is a deficient number, since it is larger than the sum of its proper divisors (10144685894089).

211102002221111 is a wasteful number, since it uses less digits than its factorization.

211102002221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800078.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211102002221111 its reverse (111122200201112), we get a palindrome (322224202422223).

The spelling of 211102002221111 in words is "two hundred eleven trillion, one hundred two billion, two million, two hundred twenty-one thousand, one hundred eleven".