12201001101211 has 8 divisors (see below), whose sum is σ = 13139629559840. Its totient is φ = 11262385487232.

The previous prime is 12201001101209. The next prime is 12201001101287. The reversal of 12201001101211 is 11210110010221.

It is a happy number.

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 12201001101211 - 2¹ = 12201001101209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12201001101191 and 12201001101200.

It is not an unprimeable number, because it can be changed into a prime (12201001101511) 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, 1191246 + ... + 5081443.

It is an arithmetic number, because the mean of its divisors is an integer number (1642453694980).

Almost surely, 2^{12201001101211} is an apocalyptic number.

12201001101211 is a deficient number, since it is larger than the sum of its proper divisors (938628458629).

12201001101211 is a wasteful number, since it uses less digits than its factorization.

12201001101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6422325.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12201001101211 its reverse (11210110010221), we get a palindrome (23411111111432).

The spelling of 12201001101211 in words is "twelve trillion, two hundred one billion, one million, one hundred one thousand, two hundred eleven".