1210202030113 has 2 divisors, whose sum is σ = 1210202030114. Its totient is φ = 1210202030112.

The previous prime is 1210202030111. The next prime is 1210202030117. The reversal of 1210202030113 is 3110302020121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1207686706704 + 2515323409 = 1098948^2 + 50153^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210202030113 - 2¹ = 1210202030111 is a prime.

Together with 1210202030111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1210202030111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605101015056 + 605101015057.

It is an arithmetic number, because the mean of its divisors is an integer number (605101015057).

Almost surely, 2^{1210202030113} is an apocalyptic number.

It is an amenable number.

1210202030113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210202030113 is an equidigital number, since it uses as much as digits as its factorization.

1210202030113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1210202030113 its reverse (3110302020121), we get a palindrome (4320504050234).

The spelling of 1210202030113 in words is "one trillion, two hundred ten billion, two hundred two million, thirty thousand, one hundred thirteen".