1002202123231 has 2 divisors, whose sum is σ = 1002202123232. Its totient is φ = 1002202123230.

The previous prime is 1002202123201. The next prime is 1002202123253. The reversal of 1002202123231 is 1323212022001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002202123231 - 2¹¹ = 1002202121183 is a prime.

It is a super-2 number, since 2×1002202123231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002202123199 and 1002202123208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002202123201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501101061615 + 501101061616.

It is an arithmetic number, because the mean of its divisors is an integer number (501101061616).

Almost surely, 2^{1002202123231} is an apocalyptic number.

1002202123231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002202123231 is an equidigital number, since it uses as much as digits as its factorization.

1002202123231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1002202123231 its reverse (1323212022001), we get a palindrome (2325414145232).

The spelling of 1002202123231 in words is "one trillion, two billion, two hundred two million, one hundred twenty-three thousand, two hundred thirty-one".