13021002101 has 2 divisors, whose sum is σ = 13021002102. Its totient is φ = 13021002100.

The previous prime is 13021002077. The next prime is 13021002103. The reversal of 13021002101 is 10120012031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12729480625 + 291521476 = 112825^2 + 17074^2 .

It is a cyclic number.

It is not a de Polignac number, because 13021002101 - 2⁶ = 13021002037 is a prime.

Together with 13021002103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13021002103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510501050 + 6510501051.

It is an arithmetic number, because the mean of its divisors is an integer number (6510501051).

Almost surely, 2^13021002101 is an apocalyptic number.

It is an amenable number.

13021002101 is a deficient number, since it is larger than the sum of its proper divisors (1).

13021002101 is an equidigital number, since it uses as much as digits as its factorization.

13021002101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 13021002101 its reverse (10120012031), we get a palindrome (23141014132).

The spelling of 13021002101 in words is "thirteen billion, twenty-one million, two thousand, one hundred one".