211122111202211 has 8 divisors (see below), whose sum is σ = 235215350198784. Its totient is φ = 187845592171720.

The previous prime is 211122111202201. The next prime is 211122111202237. The reversal of 211122111202211 is 112202111221112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211122111202211 - 2¹⁴ = 211122111185827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211122111202201) 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 7 ways as a sum of consecutive naturals, for example, 204179990975 + ... + 204179992008.

It is an arithmetic number, because the mean of its divisors is an integer number (29401918774848).

Almost surely, 2^{211122111202211} is an apocalyptic number.

211122111202211 is a deficient number, since it is larger than the sum of its proper divisors (24093238996573).

211122111202211 is a wasteful number, since it uses less digits than its factorization.

211122111202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408359983041.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 211122111202211 its reverse (112202111221112), we get a palindrome (323324222423323).

The spelling of 211122111202211 in words is "two hundred eleven trillion, one hundred twenty-two billion, one hundred eleven million, two hundred two thousand, two hundred eleven".