211121020000122 has 128 divisors (see below), whose sum is σ = 460537399042560. Its totient is φ = 64316464988160.

The previous prime is 211121020000069. The next prime is 211121020000139. The reversal of 211121020000122 is 221000020121112.

It is an unprimeable number.

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, 5372973508 + ... + 5373012800.

It is an arithmetic number, because the mean of its divisors is an integer number (3597948430020).

Almost surely, 2^{211121020000122} is an apocalyptic number.

211121020000122 is an abundant number, since it is smaller than the sum of its proper divisors (249416379042438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211121020000122 is a wasteful number, since it uses less digits than its factorization.

211121020000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53288.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211121020000122 its reverse (221000020121112), we get a palindrome (432121040121234).

The spelling of 211121020000122 in words is "two hundred eleven trillion, one hundred twenty-one billion, twenty million, one hundred twenty-two", and thus it is an aban number.