10421887001 has 2 divisors, whose sum is σ = 10421887002. Its totient is φ = 10421887000.

The previous prime is 10421886971. The next prime is 10421887013. The reversal of 10421887001 is 10078812401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5840627776 + 4581259225 = 76424^2 + 67685^2 .

It is a cyclic number.

It is not a de Polignac number, because 10421887001 - 2²² = 10417692697 is a prime.

It is a super-2 number, since 2×10421887001² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10421887031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210943500 + 5210943501.

It is an arithmetic number, because the mean of its divisors is an integer number (5210943501).

Almost surely, 2^10421887001 is an apocalyptic number.

It is an amenable number.

10421887001 is a deficient number, since it is larger than the sum of its proper divisors (1).

10421887001 is an equidigital number, since it uses as much as digits as its factorization.

10421887001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 32.

The spelling of 10421887001 in words is "ten billion, four hundred twenty-one million, eight hundred eighty-seven thousand, one".