101021202013 has 2 divisors, whose sum is σ = 101021202014. Its totient is φ = 101021202012.

The previous prime is 101021201989. The next prime is 101021202031. The reversal of 101021202013 is 310202120101.

Together with next prime (101021202031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53811472729 + 47209729284 = 231973^2 + 217278^2 .

It is an emirp because it is prime and its reverse (310202120101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101021202013 - 2³³ = 92431267421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101021201984 and 101021202002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101021203013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510601006 + 50510601007.

It is an arithmetic number, because the mean of its divisors is an integer number (50510601007).

Almost surely, 2^101021202013 is an apocalyptic number.

It is an amenable number.

101021202013 is a deficient number, since it is larger than the sum of its proper divisors (1).

101021202013 is an equidigital number, since it uses as much as digits as its factorization.

101021202013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 101021202013 its reverse (310202120101), we get a palindrome (411223322114).

The spelling of 101021202013 in words is "one hundred one billion, twenty-one million, two hundred two thousand, thirteen".