1022003023213 has 2 divisors, whose sum is σ = 1022003023214. Its totient is φ = 1022003023212.

The previous prime is 1022003023199. The next prime is 1022003023259. The reversal of 1022003023213 is 3123203002201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 948183220009 + 73819803204 = 973747^2 + 271698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022003023213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022003123213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511001511606 + 511001511607.

It is an arithmetic number, because the mean of its divisors is an integer number (511001511607).

Almost surely, 2^{1022003023213} is an apocalyptic number.

It is an amenable number.

1022003023213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022003023213 is an equidigital number, since it uses as much as digits as its factorization.

1022003023213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1022003023213 its reverse (3123203002201), we get a palindrome (4145206025414).

The spelling of 1022003023213 in words is "one trillion, twenty-two billion, three million, twenty-three thousand, two hundred thirteen".