2201121211 has 8 divisors (see below), whose sum is σ = 2227024800. Its totient is φ = 2175243840.

The previous prime is 2201121173. The next prime is 2201121259. The reversal of 2201121211 is 1121211022.

2201121211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2201121211 - 2⁹ = 2201120699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201121191 and 2201121200.

It is not an unprimeable number, because it can be changed into a prime (2201121311) 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, 200146 + ... + 210856.

It is an arithmetic number, because the mean of its divisors is an integer number (278378100).

Almost surely, 2^2201121211 is an apocalyptic number.

2201121211 is a deficient number, since it is larger than the sum of its proper divisors (25903589).

2201121211 is a wasteful number, since it uses less digits than its factorization.

2201121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13109.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2201121211 is about 46916.1082252141. The cubic root of 2201121211 is about 1300.8123543939.

Adding to 2201121211 its reverse (1121211022), we get a palindrome (3322332233).

The spelling of 2201121211 in words is "two billion, two hundred one million, one hundred twenty-one thousand, two hundred eleven".