212201110222011 has 128 divisors (see below), whose sum is σ = 338800565376000. Its totient is φ = 130863977395200.

The previous prime is 212201110222009. The next prime is 212201110222033. The reversal of 212201110222011 is 110222011102212.

It is not a de Polignac number, because 212201110222011 - 2¹ = 212201110222009 is a prime.

It is a super-2 number, since 2×212201110222011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212201110222051) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3222801856 + ... + 3222867698.

It is an arithmetic number, because the mean of its divisors is an integer number (2646879417000).

Almost surely, 2^{212201110222011} is an apocalyptic number.

212201110222011 is a deficient number, since it is larger than the sum of its proper divisors (126599455153989).

212201110222011 is a wasteful number, since it uses less digits than its factorization.

212201110222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66682 (or 66676 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212201110222011 its reverse (110222011102212), we get a palindrome (322423121324223).

The spelling of 212201110222011 in words is "two hundred twelve trillion, two hundred one billion, one hundred ten million, two hundred twenty-two thousand, eleven".