2122001022222 has 24 divisors (see below), whose sum is σ = 4608910141680. Its totient is φ = 705604249440.

The previous prime is 2122001022217. The next prime is 2122001022227. The reversal of 2122001022222 is 2222201002212.

2122001022222 is a `hidden beast` number, since 212 + 200 + 10 + 22 + 222 = 666.

It is an interprime number because it is at equal distance from previous prime (2122001022217) and next prime (2122001022227).

It is a super-2 number, since 2×2122001022222² (a number of 25 digits) contains 22 as substring.

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 = 2122001022195 and 2122001022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122001022227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144111154 + ... + 144125877.

It is an arithmetic number, because the mean of its divisors is an integer number (192037922570).

Almost surely, 2^{2122001022222} is an apocalyptic number.

2122001022222 is an abundant number, since it is smaller than the sum of its proper divisors (2486909119458).

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

2122001022222 is a wasteful number, since it uses less digits than its factorization.

2122001022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288237448 (or 288237445 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2122001022222 its reverse (2222201002212), we get a palindrome (4344202024434).

The spelling of 2122001022222 in words is "two trillion, one hundred twenty-two billion, one million, twenty-two thousand, two hundred twenty-two".