1001025201013 has 2 divisors, whose sum is σ = 1001025201014. Its totient is φ = 1001025201012.

The previous prime is 1001025200999. The next prime is 1001025201079. The reversal of 1001025201013 is 3101025201001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 585803482884 + 415221718129 = 765378^2 + 644377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001025201013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001025271013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500512600506 + 500512600507.

It is an arithmetic number, because the mean of its divisors is an integer number (500512600507).

Almost surely, 2^{1001025201013} is an apocalyptic number.

It is an amenable number.

1001025201013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001025201013 is an equidigital number, since it uses as much as digits as its factorization.

1001025201013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The spelling of 1001025201013 in words is "one trillion, one billion, twenty-five million, two hundred one thousand, thirteen".