225108394101 has 6 divisors (see below), whose sum is σ = 325156569270. Its totient is φ = 150072262728.

The previous prime is 225108394073. The next prime is 225108394103. The reversal of 225108394101 is 101493801522.

225108394101 is a `hidden beast` number, since 2 + 2 + 510 + 8 + 39 + 4 + 101 = 666.

It can be written as a sum of positive squares in only one way, i.e., 224912114001 + 196280100 = 474249^2 + 14010^2 .

It is not a de Polignac number, because 225108394101 - 2⁷ = 225108393973 is a prime.

It is a super-2 number, since 2×225108394101² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225108394103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12506021886 + ... + 12506021903.

It is an arithmetic number, because the mean of its divisors is an integer number (54192761545).

Almost surely, 2^225108394101 is an apocalyptic number.

It is an amenable number.

225108394101 is a deficient number, since it is larger than the sum of its proper divisors (100048175169).

225108394101 is a wasteful number, since it uses less digits than its factorization.

225108394101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25012043795 (or 25012043792 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 225108394101 in words is "two hundred twenty-five billion, one hundred eight million, three hundred ninety-four thousand, one hundred one".