2111221130 has 16 divisors (see below), whose sum is σ = 3800770560. Its totient is φ = 844361232.

The previous prime is 2111221127. The next prime is 2111221187. The reversal of 2111221130 is 311221112.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 83207 + ... + 105573.

It is an arithmetic number, because the mean of its divisors is an integer number (237548160).

Almost surely, 2^2111221130 is an apocalyptic number.

2111221130 is a deficient number, since it is larger than the sum of its proper divisors (1689549430).

2111221130 is a wasteful number, since it uses less digits than its factorization.

2111221130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31813.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2111221130 is about 45948.0263994004. The cubic root of 2111221130 is about 1282.8559946605.

Adding to 2111221130 its reverse (311221112), we get a palindrome (2422442242).

The spelling of 2111221130 in words is "two billion, one hundred eleven million, two hundred twenty-one thousand, one hundred thirty".