101321112403 has 16 divisors (see below), whose sum is σ = 120024382464. Its totient is φ = 83730208320.

The previous prime is 101321112397. The next prime is 101321112419. The reversal of 101321112403 is 304211123101.

It is a cyclic number.

It is not a de Polignac number, because 101321112403 - 2¹³ = 101321104211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101321112443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2276218 + ... + 2320303.

It is an arithmetic number, because the mean of its divisors is an integer number (7501523904).

Almost surely, 2^101321112403 is an apocalyptic number.

101321112403 is a deficient number, since it is larger than the sum of its proper divisors (18703270061).

101321112403 is an equidigital number, since it uses as much as digits as its factorization.

101321112403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596642.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 101321112403 its reverse (304211123101), we get a palindrome (405532235504).

The spelling of 101321112403 in words is "one hundred one billion, three hundred twenty-one million, one hundred twelve thousand, four hundred three".