4021203013109 has 2 divisors, whose sum is σ = 4021203013110. Its totient is φ = 4021203013108.

The previous prime is 4021203013057. The next prime is 4021203013127. The reversal of 4021203013109 is 9013103021204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3294395612209 + 726807400900 = 1815047^2 + 852530^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021203013109 - 2²⁴ = 4021186235893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021203063109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010601506554 + 2010601506555.

It is an arithmetic number, because the mean of its divisors is an integer number (2010601506555).

Almost surely, 2^{4021203013109} is an apocalyptic number.

It is an amenable number.

4021203013109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021203013109 is an equidigital number, since it uses as much as digits as its factorization.

4021203013109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 4021203013109 in words is "four trillion, twenty-one billion, two hundred three million, thirteen thousand, one hundred nine".