1002122111213 has 2 divisors, whose sum is σ = 1002122111214. Its totient is φ = 1002122111212.

The previous prime is 1002122111183. The next prime is 1002122111257. The reversal of 1002122111213 is 3121112212001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 763662758884 + 238459352329 = 873878^2 + 488323^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002122111213 - 2¹⁴ = 1002122094829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002122111191 and 1002122111200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002122111293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501061055606 + 501061055607.

It is an arithmetic number, because the mean of its divisors is an integer number (501061055607).

Almost surely, 2^{1002122111213} is an apocalyptic number.

It is an amenable number.

1002122111213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002122111213 is an equidigital number, since it uses as much as digits as its factorization.

1002122111213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1002122111213 its reverse (3121112212001), we get a palindrome (4123234323214).

The spelling of 1002122111213 in words is "one trillion, two billion, one hundred twenty-two million, one hundred eleven thousand, two hundred thirteen".