10040850221 has 2 divisors, whose sum is σ = 10040850222. Its totient is φ = 10040850220.

The previous prime is 10040850179. The next prime is 10040850227. The reversal of 10040850221 is 12205804001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5333380900 + 4707469321 = 73030^2 + 68611^2 .

It is a cyclic number.

It is not a de Polignac number, because 10040850221 - 2¹⁰ = 10040849197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10040850227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5020425110 + 5020425111.

It is an arithmetic number, because the mean of its divisors is an integer number (5020425111).

Almost surely, 2^10040850221 is an apocalyptic number.

It is an amenable number.

10040850221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10040850221 is an equidigital number, since it uses as much as digits as its factorization.

10040850221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

The spelling of 10040850221 in words is "ten billion, forty million, eight hundred fifty thousand, two hundred twenty-one".