10143102371221 has 2 divisors, whose sum is σ = 10143102371222. Its totient is φ = 10143102371220.

The previous prime is 10143102371147. The next prime is 10143102371239. The reversal of 10143102371221 is 12217320134101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7414375014225 + 2728727356996 = 2722935^2 + 1651886^2 .

It is a cyclic number.

It is not a de Polignac number, because 10143102371221 - 2³⁷ = 10005663417749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10143102371221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10143102374221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5071551185610 + 5071551185611.

It is an arithmetic number, because the mean of its divisors is an integer number (5071551185611).

Almost surely, 2^{10143102371221} is an apocalyptic number.

It is an amenable number.

10143102371221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10143102371221 is an equidigital number, since it uses as much as digits as its factorization.

10143102371221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 10143102371221 in words is "ten trillion, one hundred forty-three billion, one hundred two million, three hundred seventy-one thousand, two hundred twenty-one".