2122212001122 has 40 divisors (see below), whose sum is σ = 5035052009196. Its totient is φ = 665791999488.

The previous prime is 2122212001109. The next prime is 2122212001127. The reversal of 2122212001122 is 2211002122212.

It is a happy number.

2122212001122 is a `hidden beast` number, since 212 + 221 + 200 + 11 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2082396188601 + 39815812521 = 1443051^2 + 199539^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2122212001095 and 2122212001104.

It is not an unprimeable number, because it can be changed into a prime (2122212001127) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 385293543 + ... + 385299050.

Almost surely, 2^{2122212001122} is an apocalyptic number.

2122212001122 is an abundant number, since it is smaller than the sum of its proper divisors (2912840008074).

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

2122212001122 is a wasteful number, since it uses less digits than its factorization.

2122212001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770592624 (or 770592615 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2122212001122 its reverse (2211002122212), we get a palindrome (4333214123334).

The spelling of 2122212001122 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, one thousand, one hundred twenty-two".