212011221002111 has 32 divisors (see below), whose sum is σ = 221600048947200. Its totient is φ = 202676901809760.

The previous prime is 212011221002003. The next prime is 212011221002117. The reversal of 212011221002111 is 111200122110212.

212011221002111 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 a de Polignac number, because none of the positive numbers 2^k-212011221002111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212011221002111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011221002117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8028586070 + ... + 8028612476.

It is an arithmetic number, because the mean of its divisors is an integer number (6925001529600).

Almost surely, 2^{212011221002111} is an apocalyptic number.

212011221002111 is a deficient number, since it is larger than the sum of its proper divisors (9588827945089).

212011221002111 is a wasteful number, since it uses less digits than its factorization.

212011221002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45579.

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

Adding to 212011221002111 its reverse (111200122110212), we get a palindrome (323211343112323).

The spelling of 212011221002111 in words is "two hundred twelve trillion, eleven billion, two hundred twenty-one million, two thousand, one hundred eleven".