4011221105 has 16 divisors (see below), whose sum is σ = 4834555200. Its totient is φ = 3194947392.

The previous prime is 4011221069. The next prime is 4011221131. The reversal of 4011221105 is 5011221104.

4011221105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4011221105 - 2⁸ = 4011220849 is a prime.

It is a super-4 number, since 4×4011221105⁴ (a number of 40 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1572371 + ... + 1574919.

It is an arithmetic number, because the mean of its divisors is an integer number (302159700).

Almost surely, 2^4011221105 is an apocalyptic number.

It is an amenable number.

4011221105 is a deficient number, since it is larger than the sum of its proper divisors (823334095).

4011221105 is a wasteful number, since it uses less digits than its factorization.

4011221105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 4011221105 is about 63334.2017001872. The cubic root of 4011221105 is about 1588.8840322651.

Adding to 4011221105 its reverse (5011221104), we get a palindrome (9022442209).

Subtracting 4011221105 from its reverse (5011221104), we obtain a palindrome (999999999).

The spelling of 4011221105 in words is "four billion, eleven million, two hundred twenty-one thousand, one hundred five".