101003203321123 has 4 divisors (see below), whose sum is σ = 101003551046928. Its totient is φ = 101002855595320.

The previous prime is 101003203321049. The next prime is 101003203321159. The reversal of 101003203321123 is 321123302300101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101003203321123 - 2³³ = 100994613386531 is a prime.

It is a super-2 number, since 2×101003203321123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101003203321094 and 101003203321103.

It is not an unprimeable number, because it can be changed into a prime (101003207321123) 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 3 ways as a sum of consecutive naturals, for example, 173426836 + ... + 174008257.

It is an arithmetic number, because the mean of its divisors is an integer number (25250887761732).

Almost surely, 2^{101003203321123} is an apocalyptic number.

101003203321123 is a deficient number, since it is larger than the sum of its proper divisors (347725805).

101003203321123 is an equidigital number, since it uses as much as digits as its factorization.

101003203321123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347725804.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 101003203321123 its reverse (321123302300101), we get a palindrome (422126505621224).

The spelling of 101003203321123 in words is "one hundred one trillion, three billion, two hundred three million, three hundred twenty-one thousand, one hundred twenty-three".