224521121524109 has 2 divisors, whose sum is σ = 224521121524110. Its totient is φ = 224521121524108.

The previous prime is 224521121524103. The next prime is 224521121524171. The reversal of 224521121524109 is 901425121125422.

224521121524109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224520166096009 + 955428100 = 14983997^2 + 30910^2 .

It is a cyclic number.

It is not a de Polignac number, because 224521121524109 - 2³⁶ = 224452402047373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224521121524103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112260560762054 + 112260560762055.

It is an arithmetic number, because the mean of its divisors is an integer number (112260560762055).

Almost surely, 2^{224521121524109} is an apocalyptic number.

It is an amenable number.

224521121524109 is a deficient number, since it is larger than the sum of its proper divisors (1).

224521121524109 is an equidigital number, since it uses as much as digits as its factorization.

224521121524109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 224521121524109 in words is "two hundred twenty-four trillion, five hundred twenty-one billion, one hundred twenty-one million, five hundred twenty-four thousand, one hundred nine".