2175021122 has 8 divisors (see below), whose sum is σ = 3269672076. Its totient is φ = 1085130432.

The previous prime is 2175021119. The next prime is 2175021131. The reversal of 2175021122 is 2211205712.

It can be written as a sum of positive squares in 2 ways, for example, as 1701480001 + 473541121 = 41249^2 + 21761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2175021122² = 9461433762292277768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188923 + ... + 1190750.

Almost surely, 2^2175021122 is an apocalyptic number.

2175021122 is a deficient number, since it is larger than the sum of its proper divisors (1094650954).

2175021122 is a wasteful number, since it uses less digits than its factorization.

2175021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380132.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 2175021122 is about 46637.1217165039. The cubic root of 2175021122 is about 1295.6503785771.

Adding to 2175021122 its reverse (2211205712), we get a palindrome (4386226834).

The spelling of 2175021122 in words is "two billion, one hundred seventy-five million, twenty-one thousand, one hundred twenty-two".