13021120101 has 8 divisors (see below), whose sum is σ = 18939811104. Its totient is φ = 7891587920.

The previous prime is 13021120067. The next prime is 13021120219. The reversal of 13021120101 is 10102112031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13021120101 - 2¹⁵ = 13021087333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021120001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197289666 + ... + 197289731.

It is an arithmetic number, because the mean of its divisors is an integer number (2367476388).

Almost surely, 2^13021120101 is an apocalyptic number.

13021120101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13021120101 is a deficient number, since it is larger than the sum of its proper divisors (5918691003).

13021120101 is a wasteful number, since it uses less digits than its factorization.

13021120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394579411.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 13021120101 its reverse (10102112031), we get a palindrome (23123232132).

The spelling of 13021120101 in words is "thirteen billion, twenty-one million, one hundred twenty thousand, one hundred one".