221525103501053 has 8 divisors (see below), whose sum is σ = 241705010015040. Its totient is φ = 201352073777280.

The previous prime is 221525103501011. The next prime is 221525103501061. The reversal of 221525103501053 is 350105301525122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221525103501053 - 2⁶ = 221525103500989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221525103501083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1719130193 + ... + 1719259046.

It is an arithmetic number, because the mean of its divisors is an integer number (30213126251880).

Almost surely, 2^{221525103501053} is an apocalyptic number.

It is an amenable number.

221525103501053 is a deficient number, since it is larger than the sum of its proper divisors (20179906513987).

221525103501053 is a wasteful number, since it uses less digits than its factorization.

221525103501053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438395107.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 221525103501053 in words is "two hundred twenty-one trillion, five hundred twenty-five billion, one hundred three million, five hundred one thousand, fifty-three".