13201211011 has 4 divisors (see below), whose sum is σ = 13382049592. Its totient is φ = 13020372432.

The previous prime is 13201211003. The next prime is 13201211041. The reversal of 13201211011 is 11011210231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13201211011 - 2³ = 13201211003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13201210982 and 13201211000.

It is not an unprimeable number, because it can be changed into a prime (13201211041) 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, 90419181 + ... + 90419326.

It is an arithmetic number, because the mean of its divisors is an integer number (3345512398).

Almost surely, 2^13201211011 is an apocalyptic number.

13201211011 is a deficient number, since it is larger than the sum of its proper divisors (180838581).

13201211011 is an equidigital number, since it uses as much as digits as its factorization.

13201211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180838580.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 13201211011 its reverse (11011210231), we get a palindrome (24212421242).

The spelling of 13201211011 in words is "thirteen billion, two hundred one million, two hundred eleven thousand, eleven".