13211132101 has 4 divisors (see below), whose sum is σ = 13217082604. Its totient is φ = 13205181600.

The previous prime is 13211132083. The next prime is 13211132107. The reversal of 13211132101 is 10123111231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10123111231 = 63691 ⋅158941.

It can be written as a sum of positive squares in 2 ways, for example, as 2956531876 + 10254600225 = 54374^2 + 101265^2 .

It is a cyclic number.

It is not a de Polignac number, because 13211132101 - 2⁹ = 13211131589 is a prime.

It is a super-2 number, since 2×13211132101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211132107) 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, 2971920 + ... + 2976361.

It is an arithmetic number, because the mean of its divisors is an integer number (3304270651).

Almost surely, 2^13211132101 is an apocalyptic number.

It is an amenable number.

13211132101 is a deficient number, since it is larger than the sum of its proper divisors (5950503).

13211132101 is an equidigital number, since it uses as much as digits as its factorization.

13211132101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5950502.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13211132101 its reverse (10123111231), we get a palindrome (23334243332).

The spelling of 13211132101 in words is "thirteen billion, two hundred eleven million, one hundred thirty-two thousand, one hundred one".