2120111130 has 32 divisors (see below), whose sum is σ = 5206601664. Its totient is φ = 552214656.

The previous prime is 2120111093. The next prime is 2120111153. The reversal of 2120111130 is 311110212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 820459 + ... + 823038.

It is an arithmetic number, because the mean of its divisors is an integer number (162706302).

Almost surely, 2^2120111130 is an apocalyptic number.

2120111130 is an abundant number, since it is smaller than the sum of its proper divisors (3086490534).

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

2120111130 is a wasteful number, since it uses less digits than its factorization.

2120111130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643550.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2120111130 is about 46044.6645117542. The cubic root of 2120111130 is about 1284.6541040366.

Adding to 2120111130 its reverse (311110212), we get a palindrome (2431221342).

The spelling of 2120111130 in words is "two billion, one hundred twenty million, one hundred eleven thousand, one hundred thirty".