211122112210011 has 48 divisors (see below), whose sum is σ = 318450871821888. Its totient is φ = 134648166240000.

The previous prime is 211122112210007. The next prime is 211122112210019. The reversal of 211122112210011 is 110012211221112.

It is a happy number.

211122112210011 is a `hidden beast` number, since 211 + 1 + 221 + 1 + 221 + 0 + 0 + 11 = 666.

It is not a de Polignac number, because 211122112210011 - 2² = 211122112210007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211122112210019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51805261 + ... + 55731761.

It is an arithmetic number, because the mean of its divisors is an integer number (6634393162956).

Almost surely, 2^{211122112210011} is an apocalyptic number.

211122112210011 is a deficient number, since it is larger than the sum of its proper divisors (107328759611877).

211122112210011 is a wasteful number, since it uses less digits than its factorization.

211122112210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3929252 (or 3929249 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 211122112210011 its reverse (110012211221112), we get a palindrome (321134323431123).

The spelling of 211122112210011 in words is "two hundred eleven trillion, one hundred twenty-two billion, one hundred twelve million, two hundred ten thousand, eleven".