211122210221012 has 24 divisors (see below), whose sum is σ = 378099595663104. Its totient is φ = 103102978060512.

The previous prime is 211122210220931. The next prime is 211122210221023. The reversal of 211122210221012 is 210122012221112.

It is a congruent number.

It is an unprimeable number.

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, 1152876083 + ... + 1153059194.

It is an arithmetic number, because the mean of its divisors is an integer number (15754149819296).

Almost surely, 2^{211122210221012} is an apocalyptic number.

It is an amenable number.

211122210221012 is a deficient number, since it is larger than the sum of its proper divisors (166977385442092).

211122210221012 is a wasteful number, since it uses less digits than its factorization.

211122210221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305935815 (or 2305935813 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211122210221012 its reverse (210122012221112), we get a palindrome (421244222442124).

The spelling of 211122210221012 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred ten million, two hundred twenty-one thousand, twelve".