13220032123101 has 4 divisors (see below), whose sum is σ = 17626709497472. Its totient is φ = 8813354748732.

The previous prime is 13220032123099. The next prime is 13220032123141. The reversal of 13220032123101 is 10132123002231.

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 not a de Polignac number, because 13220032123101 - 2¹ = 13220032123099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220032123141) 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, 2203338687181 + ... + 2203338687186.

It is an arithmetic number, because the mean of its divisors is an integer number (4406677374368).

Almost surely, 2^{13220032123101} is an apocalyptic number.

It is an amenable number.

13220032123101 is a deficient number, since it is larger than the sum of its proper divisors (4406677374371).

13220032123101 is an equidigital number, since it uses as much as digits as its factorization.

13220032123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406677374370.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13220032123101 its reverse (10132123002231), we get a palindrome (23352155125332).

The spelling of 13220032123101 in words is "thirteen trillion, two hundred twenty billion, thirty-two million, one hundred twenty-three thousand, one hundred one".