122212321011 has 96 divisors (see below), whose sum is σ = 200268896256. Its totient is φ = 71165952000.

The previous prime is 122212321001. The next prime is 122212321051. The reversal of 122212321011 is 110123212221.

122212321011 is a `hidden beast` number, since 122 + 212 + 321 + 0 + 11 = 666.

It is not a de Polignac number, because 122212321011 - 2⁹ = 122212320499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122212321001) 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 95 ways as a sum of consecutive naturals, for example, 123321726 + ... + 123322716.

It is an arithmetic number, because the mean of its divisors is an integer number (2086134336).

Almost surely, 2^122212321011 is an apocalyptic number.

122212321011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122212321011 is a deficient number, since it is larger than the sum of its proper divisors (78056575245).

122212321011 is a wasteful number, since it uses less digits than its factorization.

122212321011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 122212321011 its reverse (110123212221), we get a palindrome (232335533232).

The spelling of 122212321011 in words is "one hundred twenty-two billion, two hundred twelve million, three hundred twenty-one thousand, eleven".