2213121142 has 16 divisors (see below), whose sum is σ = 3337571952. Its totient is φ = 1100608000.

The previous prime is 2213121137. The next prime is 2213121151. The reversal of 2213121142 is 2411213122.

2213121142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551142 + ... + 555142.

It is an arithmetic number, because the mean of its divisors is an integer number (208598247).

Almost surely, 2^2213121142 is an apocalyptic number.

2213121142 is a deficient number, since it is larger than the sum of its proper divisors (1124450810).

2213121142 is a wasteful number, since it uses less digits than its factorization.

2213121142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423.

The product of its digits is 192, while the sum is 19.

The square root of 2213121142 is about 47043.8215071863. The cubic root of 2213121142 is about 1303.1719666142.

Adding to 2213121142 its reverse (2411213122), we get a palindrome (4624334264).

The spelling of 2213121142 in words is "two billion, two hundred thirteen million, one hundred twenty-one thousand, one hundred forty-two".