2122021304120 has 64 divisors (see below), whose sum is σ = 4780014448320. Its totient is φ = 847837292544.

The previous prime is 2122021304087. The next prime is 2122021304129. The reversal of 2122021304120 is 214031202212.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2122021304092 and 2122021304101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122021304129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143985392 + ... + 144000128.

It is an arithmetic number, because the mean of its divisors is an integer number (74687725755).

Almost surely, 2^{2122021304120} is an apocalyptic number.

2122021304120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122021304120 is an abundant number, since it is smaller than the sum of its proper divisors (2657993144200).

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

2122021304120 is a wasteful number, since it uses less digits than its factorization.

2122021304120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18624 (or 18620 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2122021304120 its reverse (214031202212), we get a palindrome (2336052506332).

The spelling of 2122021304120 in words is "two trillion, one hundred twenty-two billion, twenty-one million, three hundred four thousand, one hundred twenty".