211120201222011 has 48 divisors (see below), whose sum is σ = 311955890133888. Its totient is φ = 137547871718400.

The previous prime is 211120201222009. The next prime is 211120201222013. The reversal of 211120201222011 is 110222102021112.

211120201222011 is a `hidden beast` number, since 211 + 1 + 20 + 201 + 2 + 220 + 11 = 666.

It is an interprime number because it is at equal distance from previous prime (211120201222009) and next prime (211120201222013).

It is not a de Polignac number, because 211120201222011 - 2¹ = 211120201222009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211120201222013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 273483291 + ... + 274254171.

It is an arithmetic number, because the mean of its divisors is an integer number (6499081044456).

Almost surely, 2^{211120201222011} is an apocalyptic number.

211120201222011 is a deficient number, since it is larger than the sum of its proper divisors (100835688911877).

211120201222011 is a wasteful number, since it uses less digits than its factorization.

211120201222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774552 (or 774549 counting only the distinct ones).

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

Adding to 211120201222011 its reverse (110222102021112), we get a palindrome (321342303243123).

The spelling of 211120201222011 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred one million, two hundred twenty-two thousand, eleven".