2002221222122 has 64 divisors (see below), whose sum is σ = 3434489752320. Its totient is φ = 866548108800.

The previous prime is 2002221222109. The next prime is 2002221222149. The reversal of 2002221222122 is 2212221222002.

It is a junction number, because it is equal to n+sod(n) for n = 2002221222094 and 2002221222103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102097454 + ... + 102117062.

It is an arithmetic number, because the mean of its divisors is an integer number (53663902380).

Almost surely, 2^{2002221222122} is an apocalyptic number.

2002221222122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2002221222122 is a deficient number, since it is larger than the sum of its proper divisors (1432268530198).

2002221222122 is a wasteful number, since it uses less digits than its factorization.

2002221222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20559.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2002221222122 its reverse (2212221222002), we get a palindrome (4214442444124).

It can be divided in two parts, 2002 and 221222122, that multiplied together give a palindrome (442886688244).

The spelling of 2002221222122 in words is "two trillion, two billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred twenty-two".