13211321101 has 4 divisors (see below), whose sum is σ = 14412350304. Its totient is φ = 12010291900.

The previous prime is 13211321083. The next prime is 13211321107. The reversal of 13211321101 is 10112311231.

It is a happy number.

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 13211321101 - 2¹⁵ = 13211288333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211321107) 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, 600514585 + ... + 600514606.

It is an arithmetic number, because the mean of its divisors is an integer number (3603087576).

Almost surely, 2^13211321101 is an apocalyptic number.

13211321101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13211321101 is a deficient number, since it is larger than the sum of its proper divisors (1201029203).

13211321101 is a wasteful number, since it uses less digits than its factorization.

13211321101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201029202.

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

Adding to 13211321101 its reverse (10112311231), we get a palindrome (23323632332).

The spelling of 13211321101 in words is "thirteen billion, two hundred eleven million, three hundred twenty-one thousand, one hundred one".