210022120028 has 12 divisors (see below), whose sum is σ = 420044240112. Its totient is φ = 90009480000.

The previous prime is 210022119997. The next prime is 210022120037. The reversal of 210022120028 is 820021220012.

It is a happy number.

210022120028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

210022120028 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 210022119991 and 210022120009.

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 3 ways as a sum of consecutive naturals, for example, 3750394973 + ... + 3750395028.

It is an arithmetic number, because the mean of its divisors is an integer number (35003686676).

Almost surely, 2^210022120028 is an apocalyptic number.

210022120028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

210022120028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

210022120028 is a wasteful number, since it uses less digits than its factorization.

210022120028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500790012 (or 7500790010 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The spelling of 210022120028 in words is "two hundred ten billion, twenty-two million, one hundred twenty thousand, twenty-eight".