2122020021884 has 12 divisors (see below), whose sum is σ = 4244040043824. Its totient is φ = 909437152224.

The previous prime is 2122020021883. The next prime is 2122020021893. The reversal of 2122020021884 is 4881200202212.

2122020021884 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122020021884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122020021883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37893214649 + ... + 37893214704.

It is an arithmetic number, because the mean of its divisors is an integer number (353670003652).

Almost surely, 2^{2122020021884} is an apocalyptic number.

It is an amenable number.

2122020021884 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.

2122020021884 is a wasteful number, since it uses less digits than its factorization.

2122020021884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75786429364 (or 75786429362 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The spelling of 2122020021884 in words is "two trillion, one hundred twenty-two billion, twenty million, twenty-one thousand, eight hundred eighty-four".