2120111322 has 48 divisors (see below), whose sum is σ = 5065840800. Its totient is φ = 589371552.

The previous prime is 2120111321. The next prime is 2120111347. The reversal of 2120111322 is 2231110212.

It is not an unprimeable number, because it can be changed into a prime (2120111321) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 86572 + ... + 108327.

It is an arithmetic number, because the mean of its divisors is an integer number (105538350).

Almost surely, 2^2120111322 is an apocalyptic number.

2120111322 is an abundant number, since it is smaller than the sum of its proper divisors (2945729478).

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

2120111322 is a wasteful number, since it uses less digits than its factorization.

2120111322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194955 (or 194948 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2120111322 is about 46044.6665966863. Note that the first 3 decimals coincide. The cubic root of 2120111322 is about 1284.6541428166.

Adding to 2120111322 its reverse (2231110212), we get a palindrome (4351221534).

It can be divided in two parts, 21201 and 11322, that added together give a palindrome (32523).

The spelling of 2120111322 in words is "two billion, one hundred twenty million, one hundred eleven thousand, three hundred twenty-two".