2002122221011 has 4 divisors (see below), whose sum is σ = 2184133332024. Its totient is φ = 1820111110000.

The previous prime is 2002122220921. The next prime is 2002122221027. The reversal of 2002122221011 is 1101222212002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2002122221011 - 2¹⁷ = 2002122089939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002122221051) 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, 91005555490 + ... + 91005555511.

It is an arithmetic number, because the mean of its divisors is an integer number (546033333006).

Almost surely, 2^{2002122221011} is an apocalyptic number.

2002122221011 is a deficient number, since it is larger than the sum of its proper divisors (182011111013).

2002122221011 is a wasteful number, since it uses less digits than its factorization.

2002122221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182011111012.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2002122221011 its reverse (1101222212002), we get a palindrome (3103344433013).

Subtracting from 2002122221011 its reverse (1101222212002), we obtain a palindrome (900900009009).

The spelling of 2002122221011 in words is "two trillion, two billion, one hundred twenty-two million, two hundred twenty-one thousand, eleven".