10142821001 has 2 divisors, whose sum is σ = 10142821002. Its totient is φ = 10142821000.

The previous prime is 10142820967. The next prime is 10142821019. The reversal of 10142821001 is 10012824101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10090403401 + 52417600 = 100451^2 + 7240^2 .

It is a cyclic number.

It is not a de Polignac number, because 10142821001 - 2⁶ = 10142820937 is a prime.

It is not a weakly prime, because it can be changed into another prime (10142821201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5071410500 + 5071410501.

It is an arithmetic number, because the mean of its divisors is an integer number (5071410501).

Almost surely, 2^10142821001 is an apocalyptic number.

It is an amenable number.

10142821001 is a deficient number, since it is larger than the sum of its proper divisors (1).

10142821001 is an equidigital number, since it uses as much as digits as its factorization.

10142821001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 20.

The spelling of 10142821001 in words is "ten billion, one hundred forty-two million, eight hundred twenty-one thousand, one".