71021001202103 has 2 divisors, whose sum is σ = 71021001202104. Its totient is φ = 71021001202102.

The previous prime is 71021001202027. The next prime is 71021001202159. The reversal of 71021001202103 is 30120210012017.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71021001202103 - 2¹⁰ = 71021001201079 is a prime.

It is a super-2 number, since 2×71021001202103² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71021001202163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35510500601051 + 35510500601052.

It is an arithmetic number, because the mean of its divisors is an integer number (35510500601052).

Almost surely, 2^{71021001202103} is an apocalyptic number.

71021001202103 is a deficient number, since it is larger than the sum of its proper divisors (1).

71021001202103 is an equidigital number, since it uses as much as digits as its factorization.

71021001202103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The spelling of 71021001202103 in words is "seventy-one trillion, twenty-one billion, one million, two hundred two thousand, one hundred three".