2002221202231 has 2 divisors, whose sum is σ = 2002221202232. Its totient is φ = 2002221202230.

The previous prime is 2002221202133. The next prime is 2002221202283. The reversal of 2002221202231 is 1322021222002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002221202231 - 2¹¹ = 2002221200183 is a prime.

It is a super-2 number, since 2×2002221202231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2002221202199 and 2002221202208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002221202291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001110601115 + 1001110601116.

It is an arithmetic number, because the mean of its divisors is an integer number (1001110601116).

Almost surely, 2^{2002221202231} is an apocalyptic number.

2002221202231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002221202231 is an equidigital number, since it uses as much as digits as its factorization.

2002221202231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 2002221202231 its reverse (1322021222002), we get a palindrome (3324242424233).

The spelling of 2002221202231 in words is "two trillion, two billion, two hundred twenty-one million, two hundred two thousand, two hundred thirty-one".