4412121111 has 24 divisors (see below), whose sum is σ = 6617787904. Its totient is φ = 2937549240.

The previous prime is 4412121107. The next prime is 4412121113. The reversal of 4412121111 is 1111212144.

4412121111 is a `hidden beast` number, since 441 + 2 + 1 + 211 + 11 = 666.

It is not a de Polignac number, because 4412121111 - 2² = 4412121107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4412121113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179706 + ... + 202776.

Almost surely, 2^4412121111 is an apocalyptic number.

4412121111 is a deficient number, since it is larger than the sum of its proper divisors (2205666793).

4412121111 is an equidigital number, since it uses as much as digits as its factorization.

4412121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23873 (or 23861 counting only the distinct ones).

The product of its digits is 64, while the sum is 18.

The square root of 4412121111 is about 66423.7992815828. The cubic root of 4412121111 is about 1640.1458712952.

Adding to 4412121111 its reverse (1111212144), we get a palindrome (5523333255).

The spelling of 4412121111 in words is "four billion, four hundred twelve million, one hundred twenty-one thousand, one hundred eleven".