2201101101211 has 4 divisors (see below), whose sum is σ = 2201122782424. Its totient is φ = 2201079420000.

The previous prime is 2201101101193. The next prime is 2201101101247. The reversal of 2201101101211 is 1121011011022.

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 2201101101211 - 2¹⁵ = 2201101068443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201101101191 and 2201101101200.

It is not an unprimeable number, because it can be changed into a prime (2201101101611) 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, 10687605 + ... + 10891606.

It is an arithmetic number, because the mean of its divisors is an integer number (550280695606).

Almost surely, 2^{2201101101211} is an apocalyptic number.

2201101101211 is a deficient number, since it is larger than the sum of its proper divisors (21681213).

2201101101211 is a wasteful number, since it uses less digits than its factorization.

2201101101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21681212.

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

Adding to 2201101101211 its reverse (1121011011022), we get a palindrome (3322112112233).

The spelling of 2201101101211 in words is "two trillion, two hundred one billion, one hundred one million, one hundred one thousand, two hundred eleven".