1002220420231 has 2 divisors, whose sum is σ = 1002220420232. Its totient is φ = 1002220420230.

The previous prime is 1002220420193. The next prime is 1002220420237. The reversal of 1002220420231 is 1320240222001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002220420231 - 2⁹ = 1002220419719 is a prime.

It is a super-2 number, since 2×1002220420231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002220420199 and 1002220420208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002220420237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501110210115 + 501110210116.

It is an arithmetic number, because the mean of its divisors is an integer number (501110210116).

Almost surely, 2^{1002220420231} is an apocalyptic number.

1002220420231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002220420231 is an equidigital number, since it uses as much as digits as its factorization.

1002220420231 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1002220420231 its reverse (1320240222001), we get a palindrome (2322460642232).

The spelling of 1002220420231 in words is "one trillion, two billion, two hundred twenty million, four hundred twenty thousand, two hundred thirty-one".