2002220122122 has 96 divisors (see below), whose sum is σ = 4848093746496. Its totient is φ = 591948403200.

The previous prime is 2002220122099. The next prime is 2002220122141. The reversal of 2002220122122 is 2212210222002.

2002220122122 is a `hidden beast` number, since 200 + 2 + 220 + 1 + 221 + 22 = 666.

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 = 2002220122095 and 2002220122104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7367368 + ... + 7634300.

It is an arithmetic number, because the mean of its divisors is an integer number (50500976526).

Almost surely, 2^{2002220122122} is an apocalyptic number.

2002220122122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002220122122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2424046873248).

2002220122122 is an abundant number, since it is smaller than the sum of its proper divisors (2845873624374).

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

2002220122122 is a wasteful number, since it uses less digits than its factorization.

2002220122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267876 (or 267873 counting only the distinct ones).

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

Adding to 2002220122122 its reverse (2212210222002), we get a palindrome (4214430344124).

It can be divided in two parts, 20022 and 20122122, that added together give a square (20142144 = 4488²).

The spelling of 2002220122122 in words is "two trillion, two billion, two hundred twenty million, one hundred twenty-two thousand, one hundred twenty-two".