13103032213021 has 4 divisors (see below), whose sum is σ = 13103471897632. Its totient is φ = 13102592528412.

The previous prime is 13103032212989. The next prime is 13103032213027. The reversal of 13103032213021 is 12031223030131.

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 13103032213021 - 2⁵ = 13103032212989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13103032212983 and 13103032213001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103032213027) 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, 219797601 + ... + 219857206.

It is an arithmetic number, because the mean of its divisors is an integer number (3275867974408).

Almost surely, 2^{13103032213021} is an apocalyptic number.

It is an amenable number.

13103032213021 is a deficient number, since it is larger than the sum of its proper divisors (439684611).

13103032213021 is an equidigital number, since it uses as much as digits as its factorization.

13103032213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439684610.

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

Adding to 13103032213021 its reverse (12031223030131), we get a palindrome (25134255243152).

The spelling of 13103032213021 in words is "thirteen trillion, one hundred three billion, thirty-two million, two hundred thirteen thousand, twenty-one".