225312132101 has 4 divisors (see below), whose sum is σ = 257499579552. Its totient is φ = 193124684652.

The previous prime is 225312132077. The next prime is 225312132113. The reversal of 225312132101 is 101231213522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225312132101 - 2⁶ = 225312132037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225312332101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16093723715 + ... + 16093723728.

It is an arithmetic number, because the mean of its divisors is an integer number (64374894888).

Almost surely, 2^225312132101 is an apocalyptic number.

It is an amenable number.

225312132101 is a deficient number, since it is larger than the sum of its proper divisors (32187447451).

225312132101 is an equidigital number, since it uses as much as digits as its factorization.

225312132101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32187447450.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 225312132101 its reverse (101231213522), we get a palindrome (326543345623).

The spelling of 225312132101 in words is "two hundred twenty-five billion, three hundred twelve million, one hundred thirty-two thousand, one hundred one".