1002002221011 has 48 divisors (see below), whose sum is σ = 1535474062080. Its totient is φ = 579685444800.

The previous prime is 1002002220997. The next prime is 1002002221049. The reversal of 1002002221011 is 1101222002001.

It is not a de Polignac number, because 1002002221011 - 2²⁹ = 1001465350099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002002221511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3977145 + ... + 4221573.

It is an arithmetic number, because the mean of its divisors is an integer number (31989042960).

Almost surely, 2^{1002002221011} is an apocalyptic number.

1002002221011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1002002221011 is a deficient number, since it is larger than the sum of its proper divisors (533471841069).

1002002221011 is a wasteful number, since it uses less digits than its factorization.

1002002221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244968 (or 244957 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1002002221011 its reverse (1101222002001), we get a palindrome (2103224223012).

The spelling of 1002002221011 in words is "one trillion, two billion, two million, two hundred twenty-one thousand, eleven".