211120122201999 has 64 divisors (see below), whose sum is σ = 297231783690240. Its totient is φ = 133034559292800.

The previous prime is 211120122201997. The next prime is 211120122202063. The reversal of 211120122201999 is 999102221021112.

It is not a de Polignac number, because 211120122201999 - 2¹ = 211120122201997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211120122201999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211120122201997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1581985494 + ... + 1582118940.

It is an arithmetic number, because the mean of its divisors is an integer number (4644246620160).

Almost surely, 2^{211120122201999} is an apocalyptic number.

211120122201999 is a deficient number, since it is larger than the sum of its proper divisors (86111661488241).

211120122201999 is a wasteful number, since it uses less digits than its factorization.

211120122201999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134420.

The product of its (nonzero) digits is 23328, while the sum is 42.

The spelling of 211120122201999 in words is "two hundred eleven trillion, one hundred twenty billion, one hundred twenty-two million, two hundred one thousand, nine hundred ninety-nine".