101503321023044 has 12 divisors (see below), whose sum is σ = 183756012197100. Its totient is φ = 49001603252448.

The previous prime is 101503321023011. The next prime is 101503321023079. The reversal of 101503321023044 is 440320123305101.

It can be written as a sum of positive squares in 2 ways, for example, as 41078972666944 + 60424348356100 = 6409288^2 + 7773310^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 101503321022998 and 101503321023016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437514314639 + ... + 437514314870.

It is an arithmetic number, because the mean of its divisors is an integer number (15313001016425).

Almost surely, 2^{101503321023044} is an apocalyptic number.

It is an amenable number.

101503321023044 is a deficient number, since it is larger than the sum of its proper divisors (82252691174056).

101503321023044 is a wasteful number, since it uses less digits than its factorization.

101503321023044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875028629542 (or 875028629540 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 101503321023044 its reverse (440320123305101), we get a palindrome (541823444328145).

The spelling of 101503321023044 in words is "one hundred one trillion, five hundred three billion, three hundred twenty-one million, twenty-three thousand, forty-four".