101210021201213 has 2 divisors, whose sum is σ = 101210021201214. Its totient is φ = 101210021201212.

The previous prime is 101210021201189. The next prime is 101210021201227. The reversal of 101210021201213 is 312102120012101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93809646349444 + 7400374851769 = 9685538^2 + 2720363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101210021201213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101210021201191 and 101210021201200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101210021201713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605010600606 + 50605010600607.

It is an arithmetic number, because the mean of its divisors is an integer number (50605010600607).

Almost surely, 2^{101210021201213} is an apocalyptic number.

It is an amenable number.

101210021201213 is a deficient number, since it is larger than the sum of its proper divisors (1).

101210021201213 is an equidigital number, since it uses as much as digits as its factorization.

101210021201213 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 101210021201213 its reverse (312102120012101), we get a palindrome (413312141213314).

The spelling of 101210021201213 in words is "one hundred one trillion, two hundred ten billion, twenty-one million, two hundred one thousand, two hundred thirteen".