2120300021322 has 192 divisors, whose sum is σ = 5641375154688. Its totient is φ = 561738240000.

The previous prime is 2120300021299. The next prime is 2120300021353. The reversal of 2120300021322 is 2231200030212.

2120300021322 is a `hidden beast` number, since 2 + 1 + 20 + 300 + 0 + 21 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2120300021295 and 2120300021304.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 261729072 + ... + 261737172.

It is an arithmetic number, because the mean of its divisors is an integer number (29382162264).

Almost surely, 2^{2120300021322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120300021322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2820687577344).

2120300021322 is an abundant number, since it is smaller than the sum of its proper divisors (3521075133366).

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

2120300021322 is a wasteful number, since it uses less digits than its factorization.

2120300021322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9925 (or 9922 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2120300021322 its reverse (2231200030212), we get a palindrome (4351500051534).

The spelling of 2120300021322 in words is "two trillion, one hundred twenty billion, three hundred million, twenty-one thousand, three hundred twenty-two".