1002221120022 has 16 divisors (see below), whose sum is σ = 2004560069232. Its totient is φ = 334054068480.

The previous prime is 1002221119987. The next prime is 1002221120177. The reversal of 1002221120022 is 2200211222001.

It is a junction number, because it is equal to n+sod(n) for n = 1002221119983 and 1002221120010.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4798783 + ... + 5003274.

It is an arithmetic number, because the mean of its divisors is an integer number (125285004327).

Almost surely, 2^{1002221120022} is an apocalyptic number.

1002221120022 is an abundant number, since it is smaller than the sum of its proper divisors (1002338949210).

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

1002221120022 is a wasteful number, since it uses less digits than its factorization.

1002221120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9819103.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1002221120022 its reverse (2200211222001), we get a palindrome (3202432342023).

The spelling of 1002221120022 in words is "one trillion, two billion, two hundred twenty-one million, one hundred twenty thousand, twenty-two".