211120200121211 has 16 divisors (see below), whose sum is σ = 218058529369824. Its totient is φ = 204291528839424.

The previous prime is 211120200121147. The next prime is 211120200121217. The reversal of 211120200121211 is 112121002021112.

It is a cyclic number.

It is not a de Polignac number, because 211120200121211 - 2⁶ = 211120200121147 is a prime.

It is a super-2 number, since 2×211120200121211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211120200121211.

It is not an unprimeable number, because it can be changed into a prime (211120200121217) 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 15 ways as a sum of consecutive naturals, for example, 101877980 + ... + 103929606.

It is an arithmetic number, because the mean of its divisors is an integer number (13628658085614).

Almost surely, 2^{211120200121211} is an apocalyptic number.

211120200121211 is a deficient number, since it is larger than the sum of its proper divisors (6938329248613).

211120200121211 is a wasteful number, since it uses less digits than its factorization.

211120200121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078350.

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

Adding to 211120200121211 its reverse (112121002021112), we get a palindrome (323241202142323).

The spelling of 211120200121211 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred million, one hundred twenty-one thousand, two hundred eleven".