2120211552 has 24 divisors (see below), whose sum is σ = 5565555576. Its totient is φ = 706737152.

The previous prime is 2120211529. The next prime is 2120211601. The reversal of 2120211552 is 2551120212.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11042673 + ... + 11042864.

It is an arithmetic number, because the mean of its divisors is an integer number (231898149).

Almost surely, 2^2120211552 is an apocalyptic number.

It is an amenable number.

2120211552 is an abundant number, since it is smaller than the sum of its proper divisors (3445344024).

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

2120211552 is a wasteful number, since it uses less digits than its factorization.

2120211552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22085550 (or 22085542 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2120211552 is about 46045.7549834944. The cubic root of 2120211552 is about 1284.6743868567.

Adding to 2120211552 its reverse (2551120212), we get a palindrome (4671331764).

The spelling of 2120211552 in words is "two billion, one hundred twenty million, two hundred eleven thousand, five hundred fifty-two".