2120551340322 has 16 divisors (see below), whose sum is σ = 4241124196992. Its totient is φ = 706846860720.

The previous prime is 2120551340269. The next prime is 2120551340353. The reversal of 2120551340322 is 2230431550212.

It is a self number, because there is not a number n which added to its sum of digits gives 2120551340322.

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 7 ways as a sum of consecutive naturals, for example, 568983 + ... + 2136549.

It is an arithmetic number, because the mean of its divisors is an integer number (265070262312).

Almost surely, 2^{2120551340322} is an apocalyptic number.

2120551340322 is an abundant number, since it is smaller than the sum of its proper divisors (2120572856670).

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

2120551340322 is a wasteful number, since it uses less digits than its factorization.

2120551340322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793033.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 2120551340322 its reverse (2230431550212), we get a palindrome (4350982890534).

The spelling of 2120551340322 in words is "two trillion, one hundred twenty billion, five hundred fifty-one million, three hundred forty thousand, three hundred twenty-two".