2123222122 has 16 divisors (see below), whose sum is σ = 3640553280. Its totient is φ = 909766368.

The previous prime is 2123222093. The next prime is 2123222141. The reversal of 2123222122 is 2212223212.

It is a self number, because there is not a number n which added to its sum of digits gives 2123222122.

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, 72793 + ... + 97699.

It is an arithmetic number, because the mean of its divisors is an integer number (227534580).

Almost surely, 2^2123222122 is an apocalyptic number.

2123222122 is a deficient number, since it is larger than the sum of its proper divisors (1517331158).

2123222122 is a wasteful number, since it uses less digits than its factorization.

2123222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31005.

The product of its digits is 384, while the sum is 19.

The square root of 2123222122 is about 46078.4344569127. The cubic root of 2123222122 is about 1285.2821521560.

Adding to 2123222122 its reverse (2212223212), we get a palindrome (4335445334).

The spelling of 2123222122 in words is "two billion, one hundred twenty-three million, two hundred twenty-two thousand, one hundred twenty-two".