10201221971029 has 2 divisors, whose sum is σ = 10201221971030. Its totient is φ = 10201221971028.

The previous prime is 10201221971011. The next prime is 10201221971047. The reversal of 10201221971029 is 92017912210201.

It is a balanced prime because it is at equal distance from previous prime (10201221971011) and next prime (10201221971047).

It can be written as a sum of positive squares in only one way, i.e., 9587835394929 + 613386576100 = 3096423^2 + 783190^2 .

It is an emirp because it is prime and its reverse (92017912210201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10201221971029 - 2⁹ = 10201221970517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10201221971009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100610985514 + 5100610985515.

It is an arithmetic number, because the mean of its divisors is an integer number (5100610985515).

Almost surely, 2^{10201221971029} is an apocalyptic number.

It is an amenable number.

10201221971029 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201221971029 is an equidigital number, since it uses as much as digits as its factorization.

10201221971029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 10201221971029 in words is "ten trillion, two hundred one billion, two hundred twenty-one million, nine hundred seventy-one thousand, twenty-nine".