2002131221011 has 8 divisors (see below), whose sum is σ = 2005607324160. Its totient is φ = 1998655803072.

The previous prime is 2002131220993. The next prime is 2002131221021. The reversal of 2002131221011 is 1101221312002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2002131221011 - 2⁹ = 2002131220499 is a prime.

It is a super-2 number, since 2×2002131221011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002131221021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5861550 + ... + 6193708.

It is an arithmetic number, because the mean of its divisors is an integer number (250700915520).

Almost surely, 2^{2002131221011} is an apocalyptic number.

2002131221011 is a deficient number, since it is larger than the sum of its proper divisors (3476103149).

2002131221011 is an equidigital number, since it uses as much as digits as its factorization.

2002131221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342605.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2002131221011 its reverse (1101221312002), we get a palindrome (3103352533013).

Subtracting from 2002131221011 its reverse (1101221312002), we obtain a palindrome (900909909009).

The spelling of 2002131221011 in words is "two trillion, two billion, one hundred thirty-one million, two hundred twenty-one thousand, eleven".