101503021424225 has 12 divisors (see below), whose sum is σ = 125864056540464. Its totient is φ = 81202217155920.

The previous prime is 101503021424201. The next prime is 101503021424341. The reversal of 101503021424225 is 522424120305101.

It is a de Polignac number, because none of the positive numbers 2^k-101503021424225 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101503021424191 and 101503021424200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5813102 + ... + 15388248.

It is an arithmetic number, because the mean of its divisors is an integer number (10488671378372).

Almost surely, 2^{101503021424225} is an apocalyptic number.

It is an amenable number.

101503021424225 is a deficient number, since it is larger than the sum of its proper divisors (24361035116239).

101503021424225 is an equidigital number, since it uses as much as digits as its factorization.

101503021424225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9999184 (or 9999179 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 101503021424225 its reverse (522424120305101), we get a palindrome (623927141729326).

The spelling of 101503021424225 in words is "one hundred one trillion, five hundred three billion, twenty-one million, four hundred twenty-four thousand, two hundred twenty-five".