2002122121223 has 6 divisors (see below), whose sum is σ = 2328999202296. Its totient is φ = 1716104675292.

The previous prime is 2002122121189. The next prime is 2002122121247. The reversal of 2002122121223 is 3221212212002.

It is not a de Polignac number, because 2002122121223 - 2⁶ = 2002122121159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002122121195 and 2002122121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002122121283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20429817515 + ... + 20429817612.

It is an arithmetic number, because the mean of its divisors is an integer number (388166533716).

Almost surely, 2^{2002122121223} is an apocalyptic number.

2002122121223 is a deficient number, since it is larger than the sum of its proper divisors (326877081073).

2002122121223 is an equidigital number, since it uses as much as digits as its factorization.

2002122121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40859635141 (or 40859635134 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2002122121223 its reverse (3221212212002), we get a palindrome (5223334333225).

The spelling of 2002122121223 in words is "two trillion, two billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred twenty-three".