13220102191 has 4 divisors (see below), whose sum is σ = 13527546472. Its totient is φ = 12912657912.

The previous prime is 13220102171. The next prime is 13220102209. The reversal of 13220102191 is 19120102231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19120102231 = 1031 ⋅18545201.

It is a cyclic number.

It is not a de Polignac number, because 13220102191 - 2⁹ = 13220101679 is a prime.

It is a super-2 number, since 2×13220102191² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220102111) 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, 153722076 + ... + 153722161.

It is an arithmetic number, because the mean of its divisors is an integer number (3381886618).

Almost surely, 2^13220102191 is an apocalyptic number.

13220102191 is a deficient number, since it is larger than the sum of its proper divisors (307444281).

13220102191 is an equidigital number, since it uses as much as digits as its factorization.

13220102191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307444280.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 13220102191 in words is "thirteen billion, two hundred twenty million, one hundred two thousand, one hundred ninety-one".