10226544121 has 2 divisors, whose sum is σ = 10226544122. Its totient is φ = 10226544120.

The previous prime is 10226544109. The next prime is 10226544161. The reversal of 10226544121 is 12144562201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9120250000 + 1106294121 = 95500^2 + 33261^2 .

It is a cyclic number.

It is not a de Polignac number, because 10226544121 - 2³³ = 1636609529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10226544121.

It is not a weakly prime, because it can be changed into another prime (10226544161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5113272060 + 5113272061.

It is an arithmetic number, because the mean of its divisors is an integer number (5113272061).

Almost surely, 2^10226544121 is an apocalyptic number.

It is an amenable number.

10226544121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10226544121 is an equidigital number, since it uses as much as digits as its factorization.

10226544121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 10226544121 in words is "ten billion, two hundred twenty-six million, five hundred forty-four thousand, one hundred twenty-one".