103120010023021 has 4 divisors (see below), whose sum is σ = 103142589403552. Its totient is φ = 103097430642492.

The previous prime is 103120010023013. The next prime is 103120010023067. The reversal of 103120010023021 is 120320010021301.

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 103120010023021 - 2³ = 103120010023013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103120010022986 and 103120010023004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103120010023091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11289683415 + ... + 11289692548.

It is an arithmetic number, because the mean of its divisors is an integer number (25785647350888).

Almost surely, 2^{103120010023021} is an apocalyptic number.

It is an amenable number.

103120010023021 is a deficient number, since it is larger than the sum of its proper divisors (22579380531).

103120010023021 is an equidigital number, since it uses as much as digits as its factorization.

103120010023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22579380530.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 103120010023021 its reverse (120320010021301), we get a palindrome (223440020044322).

The spelling of 103120010023021 in words is "one hundred three trillion, one hundred twenty billion, ten million, twenty-three thousand, twenty-one".