2002221120013 has 4 divisors (see below), whose sum is σ = 2024717986620. Its totient is φ = 1979724253408.

The previous prime is 2002221119923. The next prime is 2002221120041. The reversal of 2002221120013 is 3100211222002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 944127042244 + 1058094077769 = 971662^2 + 1028637^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002221120013 - 2¹⁷ = 2002220988941 is a prime.

It is a super-2 number, since 2×2002221120013² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002221120083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11248433170 + ... + 11248433347.

It is an arithmetic number, because the mean of its divisors is an integer number (506179496655).

Almost surely, 2^{2002221120013} is an apocalyptic number.

It is an amenable number.

2002221120013 is a deficient number, since it is larger than the sum of its proper divisors (22496866607).

2002221120013 is an equidigital number, since it uses as much as digits as its factorization.

2002221120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22496866606.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2002221120013 its reverse (3100211222002), we get a palindrome (5102432342015).

The spelling of 2002221120013 in words is "two trillion, two billion, two hundred twenty-one million, one hundred twenty thousand, thirteen".